TSUBAKI Aiii-19.qxd 1/14/05 8:39 AM Page 1 DRIVE CHAINS · U.S. TSUBAKI RS ROLLER CHAIN A-1 U.S....

Contents PageANSI RS ROLLER CHAIN A-1 ~ A-24

INTRODUCTION A-1 ~ A-5RS25 THROUGH RS240 A-6 ~ A-19HEAVY SERIES A-20RS DOUBLE PITCH ROLLER CHAINS A-21SELECTION AND ENGINEERING INFORMATION A-22 ~ A-24

LAMBDA® CHAIN A-25 ~ A-30INTRODUCTION A-25 ~ A-26RS DRIVE LAMBDA A-27NICKEL-PLATED DRIVE LAMBDA A-28BS/DIN DRIVE LAMBDA A-28LAMBDA HORSEPOWER RATINGS A-29 ~ A-30

“V” CLASS CHAIN A-31 ~ A-34SUPER CHAIN A-35 ~ A-42

INTRODUCTION A-35 ~ A-36RS-T SERIES A-37RS-HT SERIES A-38SUPER SERIES A-39SUPER-H SERIES A-40ULTRA SUPER SERIES A-41SELECTION INFORMATION A-42

MINIATURE CHAIN A-43 ~ A-46BS/DIN ROLLER CHAIN A-47 ~ A-52

INTRODUCTION A-47BS/DIN CHAIN SERIES A-48BS/DIN DRIVE LAMBDA A-49BS/DIN STAINLESS STEEL A-50SELECTION AND ENGINEERING INFORMATION A-51 ~ A-52

ANTI-CORROSIVE/HEAT RESISTANT CHAIN A-53 ~ A-62INTRODUCTION A-53ULTRA WP® CHAIN A-54NICKEL-PLATED CHAIN A-55 ~ A-56STAINLESS STEEL CHAIN A-57 ~ A-58LS SERIES CHAIN A-57 ~ A-58

POLY-STEEL CHAIN A-59CORROSION RESISTANCE GUIDE A-60SELECTION AND ENGINEERING INFORMATION A-61 ~ A-62

LEAF CHAIN A-63 ~ A-68SPECIALTY CHAIN A-69 ~ A-72

LUBE-FREE CHAIN, FX CHAIN A-70ROLLERLESS CHAIN, WRENCH CHAIN, LAMINATED BLOCK CHAIN A-71AGRICULTURE CHAIN A-72

CHAIN TOOLS A-73 ~ A-74ENGINEERING INFORMATION A-75 ~ A-83

INSTALLATION AND ARRANGEMENT A-76LUBRICATION A-77TROUBLESHOOTING GUIDE A-78ANSI SPROCKET DIMENSIONS A-79 ~ A-82PITCH CONVERSION TABLE A-83 ~ A-84

WARNING STATEMENT A-85

A-iii

U.S. TSUBAKIDRIVE CHAINS

TSUBAKI_Aiii-19.qxd 1/14/05 8:39 AM

U.S. TSUBAKI RS ROLLER CHAIN

A-1

U.S. TSUBAKI RS ROLLER CHAIN – IMPROVED

A-

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Superior Impact ResistanceU.S. Tsubaki chain has increased tensilestrength and approximately 20% greaterimpact resistance than ANSI standardchain. The Stress-Strain Curve belowillustrates how this extra U.S. Tsubakistrength provides greater protectionagainst dangerous ultimate strengthfailure.

Stress-Strain Curve

Improved Performance and Ease of UseWe have introduced productiontechnology for the chain bearing sectionwhich eliminates the barrel shape of thebushing to give total surface contactbetween the pin and bushing. Thisimprovement results in a reduction ofinitial elongation and a 20% improvementin wear life.

Greater Fatigue StrengthWhen you compare U.S. Tsubaki chainsfor fatigue strength performance, thefacts put U.S. Tsubaki out in front.Compare the S-N Curve below for U.S.Tsubaki chains and see how thecompetition fades.

S-N Curve

Higher Horsepower RatingTough U.S. Tsubaki chains not only lastlonger but stand up to higher horsepowerratings. In fact, RS35 and RS40 throughRS240 withstand 25% higher horsepowerratings. The improvement comes from aU.S. Tsubaki exclusive ring coiningprocess for the slip fit connecting link andspecial processing on the two-pitch off-set links. That means you can choose asmaller, less costly chain yet more thanfulfill your requirements.

Horsepower Rating

U.S. Tsubaki ring coining

ANSI RS Roller Chain

RS ROLLER CHAIN RS11 ˜ RS240

Str

ess

Strain

Otherroller chain

Superior

impact

resistance

Greater

tensile

strength

U.S. Tsubaki Improved

Cha

in E

long

atio

n

Other roller chain

Prelubrication

Lubricated

20%

Drive Time


Lubricated

A

a

B

b


"S"

Cha

in lo

ad

"N" Number of times load is applied

Otherroller chain

1 10 102 103 104 105 106 107

A & a: Fatigue strengthB & b: Tensile strength

Small sprocket rpm

Low and middle

speed area

Other brands

HP


Former chain


Competition Former


Driving Hours

Elo

ngat

ion

A-

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CH

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S

A-2


Assurance of Greater Fatigue StrengthThe wider waist of U.S. Tsubaki linkplates ensures greater fatigue strengthfor all chain sizes. Fatigue strength (max.allowable load) of each size can be foundin this catalog.

Shot Peened PartsLink plates and rollers are shot peenedfor greater fatigue strength.

Factory PreloadingU.S. Tsubaki roller chains are continuouslypreloaded on multi-sprockets after finalassembly as shown below. This results inminimum initial stretch.

Heat Treatment Ensures DurabilityChain durability depends to a greatextent on the heat-treatment of thevarious parts. The use of the mostadvanced heat-treatment methods andequipment guarantees that U.S. Tsubakiroller chains are highly durable.

PrelubricationA special lubrication is applied by U.S.Tsubaki to bearing surfaces by hotdipping to extend chain life and reducemaintenance costs.

A Completely AutomatedManufacturing ProcessThe manufacture of U.S. Tsubaki rollerchains employs advanced, automatedtechniques. The specialized equipmentused in each process ensures that allparts are uniform and high quality. Thephoto below shows the automatedpositioning of bushings.

Longer Wear Life & Less InitialAdjustment1) U.S. Tsubaki has decreased initial

stretch to 0.01% and increased wearlife by as much as 140% over thecompetition. Where initial elongation isa problem, as in precision applicationsor when you simply demand the best,U.S. Tsubaki roller chain is thesolution.

2) Our original prelubricant minimizesstretch to enable a vast increase in thechain's wear life.

3) U.S. Tsubaki bushings are "curlformed" from high quality cold rolledalloy steel into a completely cylindricalshape with uniform wall thickness.

4) Micron control has enabled U.S.Tsubaki to produce perfectly straightbushings and significantly reducestretch during initial operation.

5) Improved U.S. Tsubaki roller chainsizes RS80, RS100, RS120, andRS140 last up to 30% longer – evenwithout re-lubrication. A U.S. Tsubakiinnovation – a lube groove (patentpending) on the inner surface of thebushing – retains the factory pre-lubricant oil.

Micron Control

U.S. Tsubaki Other Brands

Lube Groove

Preloading on Sprockets

Automated Manufacturing

Prelubrication

Heat Treatment

Perfectly cylindrical inside bushing wall



A-3

APPLICATIONS

A-

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S Roller chains can be operated at speeds of up to 10,000 rpm. Even at high speeds, chain drive is quieterand smoother than a gear drive. You never have to worry about slippage as you would with a belt.

Roller chains are inherently elastic. Compared with gear drives, they soften shock and absorb vibration.They can be used in machines which are subjected to great shock or which constantly move or vibrate.Both the machine's body and bearing parts are protected against damage.

For accurate high speed drives...automobile engines

For high speed and heavy load drives...oil-well drilling equipment

For heavy shock... draw benches

For precision drives... marine diesel engines

For severe conditions... tilting tablesFor long center distance drives...container straddle carriers

For heavy shock... crawler drills For multi-shaft drives... roller tables For high speed operation... pump drives


A-

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A-4


CONNECTION OF RS ROLLER CHAIN – IMPROVED

Roller chain is normally used as a continuous length witha connecting link, resulting in an even number of pitches.

Connecting LinksStandard connecting links are used when RS roller chain isoperated under normal conditions. For severe applications,press fit connecting links are suggested. In either case, aspring clip connecting link is used for RS roller chains of sizesRS60 or smaller, a cottered connecting link for sizes RS80 toRS200, and a spring pin connecting link for RS240. A cotteredtype connecting link is used for three to six strands of RS40 toRS60. A cottered type can be provided for single and doublestrands of RS40 to RS60 upon request.

Standard connecting links have a slip fit cover plate.

The wider waist of U.S. Tsubaki's cover plates provides higherfatigue strength.

Installation of press fit connecting links may be lessconvenient than that of standard connecting links, butperformance is better. Press fit connecting links should beused in extremely high-speed or heavy duty applications.

The slip fit connecting links on improved U.S. Tsubaki chainhave 25% greater fatigue strength. These connecting links arering coined, which means improved capacity for yourapplication.

Roller ChainA roller chain consists of roller links and pinlinks connected in series.

If a continuous length has an odd number of pitches, anoffset link must be used. However, the use of offset linksshould be avoided.

Offset LinksBoth two-pitch offset links and one-pitch offset links areavailable for RS roller chains. U.S. Tsubaki's redesigned linkplate and improved manufacturing process make our two-pitchoffset links stronger than ever.

The two-pitch offset link is a combination of a roller link and anoffset link connected with a riveted pin. The connecting linkcan be attached to either side of a two-pitch offset link.

One-pitch offset links are very handy, but pin and offset linkplates have to be slip-fitted. One-pitch offset links are alsoweaker than plain chain and two-pitch offset links. Therefore,one-pitch offset links are not suggested, especially for frequenton-and-off operation, heavy impact loads, and high-speeddriving.

Note: Only two-pitch offset links are available for RS25.

Roller LinkPlateRoller Link

Plate

Pin LinkPlate

Pin Bushing Roller

Roller Link

Pin LinkPin LinkPlate


MinimumUltimate

Width Strength Average MaximumBetween ANSI Tensile Allowable Number of

Roller Roller Link Connecting Plate Standard Strength Load LinksChain No. ANSI No. Page No. Pitch Diameter Plates Pin Length Thickness lbs. lbs. lbs. Per 10 ft.

RS11SS — A-45 .1475 .090 .072 .214 .015 — 175 11 814RS15 — A-45 .1875 .098 .094 .272 .024 — 510 70 640RS25 25 A-6 .250 .130 .125 .339 .030 780 1,050 140 480RS35 35 A-7 .375 .200 .188 .500 .050 1,760 2,530 480 320RS37 (43) — — .500 .306 .134 .425 .040 — 2,120 370 240RS38 (42) — — .500 .306 .188 .496 .040 — 2,120 370 240RS41 41 A-8 .500 .306 .250 .579 .050 1,500 2,640 500 240RS40 40 A-9 .500 .312 .312 .717 .060 3,125 4,290 810 240RS50 50 A-10 .625 .400 .375 .878 .080 4,880 7,050 1,430 192RS60 60 A-11 .750 .469 .500 1.087 .094 7,030 9,920 1,980 160RS80 80 A-12 1.000 .625 .625 1.398 .125 12,500 17,640 3,300 120RS100 100 A-13 1.250 .750 .750 1.678 .156 19,530 26,460 5,070 96RS120 120 A-14 1.500 .875 1.000 2.118 .187 28,125 37,480 6,830 80RS140 140 A-15 1.750 1.000 1.000 2.307 .219 38,280 48,510 9,040 68RS160 160 A-16 2.000 1.125 1.250 2.705 .250 50,000 60,630 11,900 60RS180 180 A-17 2.250 1.406 1.406 3.075 .281 63,280 80,480 13,670 54RS200 200 A-18 2.500 1.562 1.500 3.299 .312 78,125 103,630 16,090 48RS240 240 A-19 3.000 1.875 1.875 4.071 .375 112,500 152,140 22,270 40


A-5

CHAIN DIMENSIONS (inch)

A-

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AIN

S

��

�

❈

❈

❈

❈

❈

❈❈

❈❈

Single StrandU.S. TSUBAKI

RollerlessBushing DiameterRefer to page A-23, "Selection for Slow Speed."


111213

1415161718

1920212223

2425262830

32354045

A -

DR

IVE

CH

AIN

S

A-6

RS25 1/4” Pitch

ANSI Pitch Bushing Width Link Plate PinNo. Diameter Between Diameter

Inner LinkPlates

Chain No. P B W T H h DRS25 25 .250 .130 .125 .030 .230 .199 .0905

U.S. TSUBAKI

U.S. TSUBAKI

RS25 1 .339 .150 .189 Riveted 780 1,050 140 .094RS25-2 2 .591 .276 .315 Riveted 1,560 2,100 240 .181

Number Transverse Standard Minimum Average Maximum Approx. Numberof Pin Pitch Type Ultimate Tensile Allowable Weight of

Strands of Strength Strength Load lbs./ft. LinksPin ANSI lbs. lbs. per

Standard 10 ft.Chain No. L1+L2 L1 L2 C lbs.

.252 480

Note: Only two-pitch offset links are available for RS25 and RS25-2.Refer to page A-23, "Selection for Slow Speed."

Maximum Horsepower Ratings

❈

❈

0.350.400.45

0.500.560.610.670.73

0.790.860.920.991.06

1.121.201.271.421.57

1.731.982.422.89

0.410.470.53

0.590.650.720.790.86

0.931.001.081.161.24

1.321.401.491.661.84

2.032.322.833.38

0.450.510.57

0.640.710.780.860.93

1.011.091.171.261.35

1.441.531.621.812.01

2.212.533.093.69

0.490.560.63

0.700.780.860.941.02

1.111.201.291.381.47

1.571.671.771.982.20

2.422.773.384.04

0.540.610.69

0.770.860.941.031.12

1.221.321.421.521.62

1.731.841.952.182.42

2.673.053.734.45

0.600.680.77

0.860.951.051.141.25

1.351.461.571.691.80

1.922.042.172.422.68

2.963.384.134.93

0.670.760.86

0.961.061.171.281.39

1.511.631.761.882.01

2.152.282.422.703.00

3.303.784.625.51

0.750.860.96

1.081.201.321.441.57

1.701.841.982.122.27

2.422.572.733.053.38

3.734.265.216.21

0.860.971.10

1.231.361.501.641.79

1.942.102.262.422.59

2.762.933.113.473.85

4.254.865.937.08

0.991.121.27

1.421.571.731.902.07

2.242.422.602.792.98

3.183.383.594.014.45

4.905.606.858.15

1.161.321.49

1.661.842.032.222.42

2.622.833.053.273.50

3.733.934.104.444.79

5.145.656.537.42

1.381.571.74

1.892.042.192.332.48

2.632.782.923.083.23

3.383.543.694.004.30

4.615.085.876.66

1.291.421.54

1.681.811.932.072.20

2.332.472.602.742.87

3.003.143.273.543.82

4.094.515.205.91

1.131.231.34

1.461.571.691.801.92

2.022.152.272.372.49

2.612.722.843.083.33

3.573.934.535.15

0.951.051.14

1.231.331.431.531.62

1.721.821.922.012.12

2.212.322.412.612.82

3.023.333.854.37

0.830.900.98

1.061.141.221.301.38

1.481.561.641.731.81

1.891.982.072.242.41

2.592.843.293.73

0.710.780.84

0.940.991.061.141.21

1.291.351.421.501.57

1.651.721.801.942.09

2.252.482.863.25

0.600.660.72

0.780.840.900.971.02

1.091.151.211.271.34

1.391.461.531.651.78

1.902.112.432.76

0.500.550.60

0.650.680.740.790.84

0.890.940.991.051.10

1.141.191.251.351.46

1.561.721.982.25

0.390.430.47

0.500.540.580.600.64

0.680.720.760.800.84

0.900.940.981.051.13

1.211.331.531.74

0.310.340.37

0.400.430.470.480.53

0.560.590.600.640.67

0.720.750.760.830.90

0.981.061.221.39

0.230.250.27

0.300.320.340.370.39

0.410.440.460.480.51

0.530.550.560.630.66

0.710.780.901.03

0.140.160.17

0.190.200.220.230.25

0.260.280.290.310.32

0.340.350.370.400.43

0.440.510.580.64

0.050.060.06

0.070.080.080.090.09

0.100.100.110.110.12

0.130.130.140.150.16

0.170.190.220.25

0.030.030.04

0.040.040.040.050.05

0.050.060.060.060.06

0.070.070.070.080.08

0.090.100.120.13

50

A B

Maximum Speed – Small Sprocket (rpm)

Lubrication System

No. ofTeethSmallSpkt.

100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10,000

Note: 1. Multiply the value given above by the multiple strand factor (page A-22, Table II) in order to obtain the transmission horsepower of multiple strand chain.

2. For lubrication systems A, B & C, refer to page A-77 for explanation. Please consult U.S. Tsubaki for use of horsepower ratings to the right of the boundary line.

3. Refer to page A-22, “Procedures for Selecting Roller Chain.”

4. Gray portion of Maximum Horsepower Ratings Table is Lubrication System C.

C




Standard 10 ft.Chain No. L1+L2 L1 L2 L C lbs.

RS35 1 .500 .230 .270 .531 Riveted 1,760 2,530 480 .22RS35-2 2 .898 .429 .469 .965 Riveted 3,520 5,060 810 .46RS35-3 3 1.295 .630 .665 1.362 Riveted 5,280 7,590 1,200 .70


A-7

A -

DR

IVE

CH

AIN

S

111213

1415161718

1920212223

2425262830

32354045

RS35 3/8” Pitch

ANSI Pitch Bushing Width Link Plate PinNo. Diameter Between Diameter

Inner LinkPlates

Chain No. P B W T H h DRS35 35 .375 .200 .188 .050 .354 .307 .141

U.S. TSUBAKI

.399 320

Note: Refer to page A-23, "Selection for Slow Speed."


❈

❈

0.480.550.62

0.680.760.830.931.01

1.091.181.271.351.46

1.541.651.741.962.17

00

0.560.640.72

0.800.900.991.071.18

1.271.411.491.601.72

1.821.942.052.312.53

2.803.21

0.600.700.78

0.870.981.071.181.29

1.381.501.621.741.86

1.982.112.242.512.76

3.043.49

0

0.670.760.86

0.971.071.181.291.41

1.531.651.771.902.04

2.172.312.452.743.03

3.343.824.67

0.740.840.94

1.061.181.301.421.54

1.681.821.962.092.25

2.392.552.703.023.34

3.674.215.14

0

0.820.941.05

1.181.311.431.581.72

1.862.012.172.332.49

2.642.822.993.353.70

4.084.675.706.83

0.911.051.17

1.311.461.611.771.92

2.092.252.412.602.79

2.963.163.343.744.14

4.565.226.377.63

1.031.181.33

1.491.651.821.982.17

2.352.532.722.923.14

3.343.573.774.224.67

5.145.877.198.60

1.181.351.50

1.701.882.072.272.47

2.682.903.113.343.58

3.804.054.304.815.32

5.866.718.199.79

1.351.561.74

1.962.172.392.612.84

3.083.343.593.854.13

4.394.664.965.556.14

6.767.729.4511.3

1.581.822.05

2.292.532.803.063.34

3.623.904.214.514.83

5.155.485.816.497.17

7.919.0711.113.2

1.902.172.45

2.723.033.343.663.98

4.324.675.025.385.77

6.136.546.927.758.57

9.4410.813.215.8

2.322.662.99

3.343.704.084.474.87

5.285.706.136.587.05

7.507.998.469.4810.5

11.513.216.119.3

2.923.353.75

4.214.655.105.596.09

6.607.137.678.318.88

9.4710.110.711.913.2

14.616.620.424.3

3.864.404.96

5.556.166.777.428.09

8.779.4710.210.911.6

12.212.713.314.315.6

16.618.421.224.0

4.484.925.38

5.826.266.727.177.63

8.098.569.019.489.95

10.410.911.412.313.2

14.215.718.120.5

3.904.294.68

5.075.465.856.256.64

7.047.447.848.258.66

9.079.489.8810.711.5

12.413.715.717.8

3.313.633.97

4.304.634.965.305.65

5.986.326.667.007.35

7.708.058.399.099.79

10.511.613.415.2

2.712.983.25

3.513.804.064.334.61

4.895.165.445.736.01

6.296.576.877.438.01

8.589.4510.912.4

2.092.292.51

2.712.923.143.353.57

3.774.004.214.434.64

4.855.085.305.746.18

6.627.318.449.57

1.661.842.00

2.162.332.492.672.84

3.023.183.353.533.70

3.884.054.224.574.93

5.285.826.737.64

1.231.351.48

1.601.721.851.972.09

2.232.352.482.602.74

2.862.993.123.383.65

3.904.304.985.65

0.780.860.94

1.011.091.171.251.33

1.411.491.571.651.73

1.811.891.972.132.31

2.472.723.143.57

0.300.320.35

0.380.400.430.470.50

0.520.550.580.620.64

0.670.700.740.790.86

0.911.011.171.33

0.160.170.19

0.200.210.230.250.27

0.280.300.310.320.35

0.360.380.390.430.46

0.500.540.630.71

50

A B C


Lubrication System


100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10,000




U.S. TSUBAKI


RS41 .579 .266 .313 .594 Riveted 1,500 2,640 500 .27 240

A -

DR

IVE

CH

AIN

S

A-8

111213

1415161718

1920212223

2425262830

32354045

RS41 1/2” Pitch

ANSI Pitch Roller Width Link Plate PinNo. Diameter Between Diameter

Roller LinkPlates

Chain No. P R W T H h DRS41 41 .500 .306 .250 .050 .386 .331 .141

Standard Minimum Average Maximum Approx. NumberPin Type Ultimate Tensile Allowable Weight of

of Strength Strength Load lbs./ft. LinksPin ANSI lbs. lbs. per

Standard 10 ft.Chain No. L1+L2 L1 L2 L lbs.

Note: Refer to page A-23, "Selection for Slow Speed.”


❈

❈

0.100.110.13

0.140.160.170.19

0

00000

0

0.120.140.16

0.170.190.210.230.25

0.280.300.320.340.37

0.390000

0.150.170.20

0.220.240.270.290.32

0.350.380.400.430.46

0.490.530.560.620.69

000

0.200.230.26

0.290.320.350.390.42

0.460.490.530.570.61

0.650.690.730.820.91

1.001.141.40

0

0.280.320.36

0.400.450.490.540.59

0.640.690.740.800.85

0.910.961.021.141.27

1.401.601.952.33

0.340.390.44

0.490.550.600.660.72

0.780.840.910.971.04

1.111.181.251.401.55

1.711.952.392.85

0.430.490.56

0.620.690.760.830.91

0.981.061.141.231.31

1.401.491.581.761.95

2.152.463.013.59

0.510.580.65

0.730.810.890.981.06

1.151.241.341.441.54

1.641.741.852.062.29

2.522.883.524.20

0.610.690.78

0.870.961.061.161.27

1.381.491.601.711.83

1.952.082.202.462.73

3.013.444.205.01

0.740.840.95

1.061.181.301.421.55

1.681.811.952.092.24

2.392.542.693.013.33

3.674.205.136.13

0.931.061.20

1.341.491.641.791.95

2.122.292.462.642.82

3.013.203.393.794.20

4.635.296.477.72

1.111.271.43

1.601.771.952.142.33

2.532.732.943.153.37

3.593.814.054.525.01

5.526.327.729.21

1.361.551.75

1.952.172.392.612.86

3.103.333.593.854.11

4.384.664.945.526.13

6.757.729.4311.3

1.711.952.20

2.462.733.013.293.59

3.894.244.564.885.21

5.565.916.277.017.77

8.569.8011.513.0

2.272.592.90

3.143.383.623.864.11

4.364.614.855.115.36

5.605.866.116.627.13

7.658.439.7311.1

2.202.412.63

2.853.073.303.513.74

3.974.204.414.644.87

5.115.335.566.036.49

6.967.678.8610.1

1.761.932.10

2.282.452.632.802.98

3.163.343.523.703.89

4.074.254.444.815.17

5.556.117.068.03

1.301.421.55

1.681.811.942.082.20

2.332.472.602.732.87

3.003.143.283.553.82

4.104.525.215.92

1.061.171.27

1.371.471.581.691.80

1.902.022.132.222.35

2.452.572.682.913.12

3.363.704.264.85

0.820.900.98

1.061.141.221.311.39

1.471.551.651.731.81

1.901.982.062.242.41

2.592.853.303.74

0.580.630.68

0.740.790.840.910.97

1.021.091.141.191.26

1.311.381.431.551.68

1.801.982.292.60

0.310.340.36

0.390.430.460.480.52

0.550.580.620.640.67

0.710.740.760.830.90

0.971.061.231.39

0.160.190.20

0.210.230.240.250.28

0.290.310.320.350.36

0.380.400.420.440.48

0.510.580.660.75

0.090.090.11

0.110.120.130.130.15

0.160.160.170.190.19

0.200.210.230.240.25

0.280.310.350.40

0.040.040.04

0.050.050.050.070.07

0.070.070.080.080.08

0.090.090.090.110.11

0.120.130.160.17

10

A B C


Lubrication System


25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 5000 6000 7000 8000

Note: 1. For lubrication systems A, B & C, refer to page A-77 for explanation. Please consult U.S. Tsubaki for use of horsepower ratings to the right of the boundary line.


U.S. TSUBAKI

U.S. TSUBAKI


0.500.580.64

0.710.790.870.97

0

00000

0


A-9

A -

DR

IVE

CH

AIN

S




RS40 1 .717 .325 .392 .709 Riveted 3,125 4,290 810 .43RS40-2 2 1.283 .608 .675 1.319 Riveted 6,250 8,580 1,370 .85RS40-3 3 1.843 .892 .951 1.886 Riveted 9,375 12,870 2,020 1.28RS40-4 4 2.409 1.177 1.232 2.453 Riveted 12,500 17,160 2,670 1.70RS40-5 5 2.980 1.461 1.519 3.024 Riveted 15,625 21,450 3,150 2.12RS40-6 6 3.547 1.744 1.803 3.591 Riveted 18,750 25,740 3,720 2.55

111213

1415161718

1920212223

2425262830

32354045

RS40 1/2” Pitch


Roller LinkPlates


.566 240



❈

❈

0.620.680.78

0.870.971.071.171.27

1.381.491.601.721.84

1.960000

0.760.870.98

1.101.221.341.481.60

1.741.882.022.172.32

2.472.632.763.113.45

000

1.011.141.29

1.451.601.771.942.11

2.292.472.662.863.06

3.253.453.664.094.55

5.005.737.00

0

1.411.601.81

2.022.242.472.712.96

3.213.453.713.984.26

4.554.835.125.736.34

7.007.999.7611.7

1.721.962.21

2.472.743.023.313.61

3.924.224.554.875.20

5.545.896.257.007.75

8.549.7611.914.2

2.152.472.79

3.113.453.814.174.55

4.925.315.736.136.56

7.007.437.898.819.76

10.812.315.018.0

2.552.903.26

3.654.044.454.885.31

5.776.226.717.197.68

8.188.709.2410.311.4

12.614.317.621.1

3.033.453.89

4.364.835.315.826.34

6.887.537.998.579.16

9.7610.411.012.313.5

15.017.221.125.1

3.704.224.76

5.315.896.497.117.75

8.419.089.7610.511.2

11.912.713.515.016.8

18.421.125.730.6

4.675.315.99

6.717.438.188.979.76

10.511.112.413.214.1

15.016.017.019.021.1

23.226.632.538.6

5.586.367.16

8.018.889.7910.711.7

12.713.714.815.816.9

18.018.919.721.523.1

24.727.231.535.7

6.817.608.29

8.979.6710.411.111.8

12.513.213.914.615.3

16.116.817.619.020.4

21.924.127.931.6

6.026.617.21

7.828.429.039.6410.2

10.911.512.112.713.4

13.914.615.316.517.8

19.021.124.327.6

5.115.626.13

6.647.157.668.188.70

9.239.7510.310.811.3

11.912.412.914.115.2

16.217.820.723.5

4.655.115.57

6.036.506.977.447.91

8.398.869.359.8310.3

10.811.311.812.813.7

14.816.218.821.3

3.704.084.44

4.815.195.555.936.32

6.697.077.467.848.22

8.619.009.3910.211.0

11.712.914.917.0

2.743.003.29

3.553.844.104.394.67

4.955.235.515.796.07

6.366.656.937.518.10

8.689.5611.112.5

2.242.472.68

2.913.143.353.583.81

4.054.284.514.734.98

5.205.445.676.146.62

7.097.829.0410.3

1.731.902.07

2.242.412.592.762.95

3.123.303.473.663.84

4.024.204.394.755.11

5.486.036.977.93

1.211.311.43

1.561.681.801.922.04

2.172.292.412.532.67

2.792.913.043.303.55

3.814.204.845.50

0.640.710.76

0.830.900.971.031.10

1.171.231.291.351.42

1.491.561.621.771.90

2.042.242.592.95

0.350.380.42

0.440.480.520.550.59

0.620.660.700.720.76

0.800.830.870.951.02

1.091.211.391.58

0.190.200.23

0.240.250.280.300.31

0.340.350.380.390.42

0.430.440.470.510.55

0.590.640.750.84

0.080.090.09

0.110.110.120.130.13

0.150.160.160.170.17

0.190.200.200.230.24

0.250.280.320.38

10

A B C


Lubrication System


25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 5000 6000 7000 8000




U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

IVE

CH

AIN

S

A-10




RS50 1 .878 .406 .472 .886 Riveted 4,880 7,050 1,430 .70RS50-2 2 1.595 .762 .833 1.646 Riveted 9,760 14,100 2,430 1.39RS50-3 3 2.307 1.118 1.189 2.358 Riveted 14,640 21,150 3,570 2.08RS50-4 4 3.020 1.475 1.545 3.075 Riveted 19,520 28,200 4,710 2.76RS50-5 5 3.732 1.831 1.901 3.787 Riveted 24,400 35,250 5,570 3.45RS50-6 6 4.449 2.189 2.260 4.504 Riveted 29,280 42,300 6,570 4.14

111213

1415161718

1920212223

2425262830

32354045

RS50 5/8” Pitch


Roller LinkPlates


.713 192



❈

❈

0.931.05

0

0000

1.051.191.34

1.501.661.842.01

0

0000

1.211.371.56

1.731.922.112.312.52

2.742.953.183.41

0

0000

1.411.611.81

2.022.252.472.712.95

3.213.463.734.004.28

4.554.835.145.74

0

00

1.681.922.16

2.432.682.953.233.53

3.824.134.444.765.10

5.425.776.136.847.59

8.359.56

0

2.072.352.64

2.953.273.613.964.30

4.675.045.425.826.22

6.647.057.478.359.27

10.211.714.3

0

2.592.953.33

3.734.134.554.995.42

5.896.366.847.347.84

8.358.899.4310.511.7

12.914.818.021.5

3.043.463.90

4.364.835.325.836.36

6.897.448.028.609.19

9.7910.411.012.313.7

15.217.221.125.1

3.624.134.65

5.205.776.366.967.59

8.228.899.5710.211.0

11.712.413.214.816.4

18.020.725.130.0

4.435.045.70

6.367.057.768.509.27

10.010.811.712.513.4

14.315.216.118.019.8

22.025.130.736.6

5.586.367.16

8.028.899.7910.711.7

12.713.714.815.816.9

18.019.220.222.725.1

27.831.638.846.1

6.657.598.56

9.5610.611.712.813.9

15.216.417.618.820.1

21.522.824.327.030.0

33.338.146.455.1

8.149.2710.4

11.713.014.315.717.0

18.520.021.523.124.7

26.327.929.633.136.7

40.446.356.565.6

10.311.713.2

14.816.418.019.721.2

22.523.725.126.327.6

29.030.231.534.236.7

39.443.450.357.0

10.611.612.7

13.714.815.816.918.0

19.020.121.222.423.5

24.525.626.829.031.2

33.536.942.648.4

9.6210.611.5

12.513.414.315.416.4

17.318.419.320.421.3

22.423.324.426.428.4

30.433.538.844.0

7.678.429.19

9.9510.711.512.313.0

13.814.615.416.217.0

17.818.619.421.122.7

24.326.831.035.1

5.666.226.79

7.357.938.499.079.64

10.210.811.412.012.6

13.213.814.315.616.8

18.019.722.825.9

4.645.105.55

6.016.486.957.427.89

8.378.849.329.8010.3

10.811.311.712.713.7

14.616.218.621.2

3.583.934.28

4.645.005.365.736.09

6.456.837.197.567.94

8.308.689.059.8210.6

11.312.514.516.4

2.482.722.98

3.223.473.733.974.22

4.484.734.995.245.51

5.776.026.296.817.34

7.878.6610.011.4

1.331.461.60

1.731.862.002.132.27

2.402.532.682.822.95

3.083.233.373.653.93

4.214.645.366.09

0.710.780.86

0.930.991.071.141.22

1.291.351.431.501.58

1.661.731.811.962.11

2.272.492.873.27

0.380.420.46

0.500.540.580.620.66

0.680.720.760.800.84

0.890.930.971.051.13

1.211.331.541.74

0.160.190.20

0.210.230.250.270.28

0.310.320.340.350.38

0.390.400.430.460.50

0.540.590.670.76

10

A B C


Lubrication System


25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 4500 5000 5500 6000




U.S. TSUBAKI

U.S. TSUBAKI



A-11

A -

DR

IVE

CH

AIN

S




RS60 1 1.087 .506 .581 1.110 Riveted 7,030 9,920 1,980 1.03RS60-2 2 1.988 .955 1.033 2.071 Riveted 14,060 19,840 3,360 2.04RS60-3 3 2.906 1.404 1.502 2.972 Riveted 21,090 29,760 4,950 3.05RS60-4 4 3.803 1.852 1.951 3.870 Riveted 28,120 39,680 6,530 4.06RS60-5 5 4.705 2.303 2.402 4.772 Riveted 35,150 49,600 7,720 5.07RS60-6 6 5.606 2.752 2.854 5.669 Riveted 42,180 59,520 9,100 6.08

111213

1415161718

1920212223

2425262830

32354045

RS60 3/4” Pitch


Roller LinkPlates


.897 160



❈

❈

1.641.86

0

00000

0

1.942.232.51

2.803.103.423.744.08

4.430000

000

2.392.713.06

3.423.804.174.574.99

5.405.836.296.737.19

7.678.158.55

00

00

3.003.423.85

4.324.775.265.776.29

6.817.357.918.499.08

9.6710.310.912.213.5

14.917.0

00

3.944.495.07

5.666.296.927.588.26

8.969.6710.411.111.9

12.713.514.316.017.8

19.622.427.432.6

5.516.297.08

7.918.779.6710.611.5

12.513.514.515.616.8

17.818.920.022.424.8

27.431.438.245.6

6.457.358.30

9.2710.311.312.413.5

14.615.817.018.219.4

20.822.123.526.129.1

32.136.644.853.4

7.708.779.90

11.112.313.514.816.1

17.618.920.221.923.3

24.826.428.031.434.7

38.243.753.563.7

9.4110.712.1

13.515.016.518.119.7

21.523.124.826.628.4

30.332.234.238.242.4

46.753.465.778.4

11.913.515.2

17.018.820.922.924.9

27.129.231.533.836.1

38.240.643.248.353.5

58.967.582.398.3

13.515.617.4

19.421.623.726.028.3

30.733.135.738.240.9

43.646.449.255.060.2

64.571.182.193.2

15.617.820.1

22.424.827.429.931.8

33.735.737.539.441.4

43.345.347.351.255.3

59.165.275.485.6

17.018.620.4

22.023.725.527.229.0

30.732.534.235.937.7

39.441.243.046.750.2

53.859.368.577.8

15.316.818.2

19.821.322.924.426.0

27.629.130.732.333.9

35.537.138.842.045.2

48.453.461.670.0

13.514.916.2

17.618.920.221.723.1

24.425.927.228.730.0

31.532.934.337.140.1

42.947.354.662.1

11.813.014.1

15.316.517.718.920.1

21.322.523.724.926.1

27.428.629.932.334.9

37.441.247.654.0

10.011.012.0

13.013.915.016.017.0

18.119.020.121.222.3

23.224.325.327.529.6

31.835.040.445.9

8.199.009.80

10.611.512.313.113.9

14.815.616.517.318.1

19.019.820.822.424.1

25.928.633.037.5

6.326.957.58

8.218.849.4710.110.8

11.412.112.713.414.1

14.615.316.017.318.6

20.022.125.529.0

4.394.815.26

5.706.136.577.037.47

7.918.378.829.289.74

10.210.611.112.013.0

13.915.317.720.1

3.393.714.06

4.404.735.085.425.77

6.126.466.817.167.51

7.878.228.589.2910.0

10.711.813.715.6

2.352.592.82

3.063.293.533.774.00

4.244.484.734.985.22

5.465.715.956.456.95

7.468.219.4810.8

1.261.381.52

1.641.761.892.012.15

2.282.402.532.672.79

2.923.063.193.463.73

4.004.405.085.77

0.670.740.80

0.870.941.011.091.15

1.221.291.351.421.50

1.571.641.721.852.00

2.152.362.723.10

0.300.320.35

0.390.420.440.470.51

0.540.560.590.630.66

0.680.720.750.820.87

0.941.031.191.35

10

A B C


Lubrication System


25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1400 1600 1800 2000 2500 3000 3500 4000 4500




U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

IVE

CH

AIN

S

A-12




RS80 1 1.398 .640 .758 1.417 Riveted 12,500 17,640 3,300 1.79RS80-2 2 2.552 1.217 1.335 2.657 Riveted 25,000 35,280 5,610 3.54RS80-3 3 3.704 1.795 1.909 3.815 Riveted 37,500 52,920 8,250 5.30RS80-4 4 4.862 2.372 2.490 4.972 Riveted 50,000 70,560 10,890 7.06 RS80-5 5 6.020 2.951 3.069 6.126 Riveted 62,500 88,200 12,870 8.81RS80-6 6 7.170 3.528 3.642 7.280 Riveted 75,000 105,840 15,180 10.57

111213

1415161718

1920212223

2425262830

32354045

RS80 1” Pitch


Roller LinkPlates

Chain No. P R W T H h DRS80 80 1.000 .625 .625 .125 .949 .819 .312

1.153 120



❈

❈

1.7000

00000

0

3.774.304.85

5.426.016.627.257.90

8.570000

000

4.435.045.69

6.367.047.768.499.25

10.010.811.712.513.4

14.215.216.1

00

0

5.276.016.79

7.588.419.2510.111.0

12.012.913.914.916.0

17.018.119.221.523.9

26.100

6.016.857.72

8.649.5710.511.512.6

13.514.816.017.018.2

19.420.721.924.427.1

29.834.120.0

0

6.937.908.92

9.9611.012.213.314.5

15.717.018.419.621.1

22.323.925.228.231.2

34.539.448.154.2

8.139.2510.4

11.712.914.215.617.0

18.419.821.523.124.7

26.127.829.533.036.6

40.446.156.367.2

9.7011.012.5

13.915.417.018.620.2

22.023.925.627.429.4

31.233.335.339.443.6

48.155.067.280.2

11.813.515.2

17.018.920.822.724.8

27.029.031.233.535.8

38.240.643.048.153.4

58.767.282.298.0

14.917.019.2

21.523.926.128.731.2

33.936.639.442.245.1

48.151.154.260.667.2

74.084.8103123

17.019.421.9

24.427.129.832.735.7

38.641.744.848.151.4

54.857.961.869.176.7

84.496.6117142

19.622.325.2

28.231.234.537.741.2

44.548.151.855.559.3

63.767.771.780.288.9

97.5112137162

23.126.129.8

33.336.940.644.348.1

52.356.560.765.069.6

74.278.983.793.5104

114131153174

27.531.235.3

39.443.748.152.757.5

61.765.368.872.375.9

79.483.086.693.9101

108119138157

30.333.436.3

39.442.445.548.551.6

54.757.861.064.167.3

70.473.676.883.389.7

96.2106122139

26.429.031.6

34.236.939.642.244.9

47.650.453.155.858.6

61.364.166.972.478.0

83.792.1106121

22.424.726.8

29.131.433.535.838.1

40.542.845.147.349.8

52.054.456.761.466.2

71.178.290.4103

18.420.122.0

23.725.627.529.431.2

33.135.036.938.840.6

42.544.546.450.354.2

58.164.073.983.9

14.215.616.9

18.419.821.222.724.1

25.527.028.429.931.4

32.934.335.838.841.8

44.849.357.064.8

9.8310.811.8

12.813.714.815.716.8

17.718.819.720.821.7

22.823.924.827.029.0

31.134.339.644.9

7.588.339.08

9.8410.611.412.112.9

13.714.515.316.116.8

17.618.419.220.822.4

24.026.430.634.7

5.275.786.30

6.837.367.898.428.96

9.4910.010.611.111.7

12.212.813.314.515.6

16.618.421.224.1

2.823.103.38

3.663.944.224.524.80

5.105.385.675.976.26

6.566.857.157.748.34

8.949.8411.412.9

1.521.661.81

1.962.122.272.412.57

2.722.883.043.193.35

3.513.673.824.144.47

4.795.286.106.92

0.660.720.79

0.860.930.991.061.13

1.191.261.331.391.48

1.541.611.681.821.96

2.112.322.673.03

10

A B C


Lubrication System


25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 2700 3000 3400




U.S. TSUBAKI

U.S. TSUBAKI



A-13

A -

DR

IVE

CH

AIN

S




RS100 1 1.678 .778 .900 1.748 Cottered 19,530 26,460 5,070 2.68RS100-2 2 3.090 1.484 1.606 3.209 Cottered 39,060 52,920 8,610 5.27RS100-3 3 4.504 2.191 2.313 4.618 Cottered 58,590 79,380 12,670 7.91RS100-4 4 5.914 2.896 3.018 6.028 Riveted 78,120 105,840 16,730 10.55RS100-5 5 7.326 3.602 3.724 7.437 Riveted 97,650 132,300 19,770 13.12RS100-6 6 8.740 4.309 4.431 8.846 Riveted 117,180 158,760 23,320 15.78

111213

1415161718

1920212223

2425262830

32354045

RS100 1 1/4” Pitch


Roller LinkPlates

Chain No. P R W T H h DRS100 100 1.250 .750 .750 .156 1.185 1.024 .375

1.408 96



❈

❈

01.2900

0000

6.327.198.10

9.0510.011.10.79

0

00000

7.198.199.24

10.311.412.613.815.0

16.417.619.020.27.74

00000

8.309.4510.6

11.913.214.516.017.4

18.820.221.923.525.1

26.728.430.233.710.0

00

9.7111.112.5

13.515.617.018.820.2

22.023.925.627.529.4

31.433.335.339.443.7

45.255.1

00

11.613.214.9

16.618.420.222.324.3

26.328.430.632.935.0

37.339.742.147.152.2

57.565.880.345.3

14.216.118.2

20.222.524.827.229.6

32.134.737.340.042.8

45.648.551.457.563.7

70.380.398.2117

15.818.020.2

22.725.227.830.433.1

35.938.841.744.847.9

51.154.257.564.271.2

78.689.8110131

17.820.222.9

25.628.431.434.337.3

40.543.747.150.453.9

57.561.264.872.480.3

88.5101124148

20.223.226.1

29.232.535.739.042.5

46.149.953.657.561.4

65.669.673.982.691.6

101115141168

23.526.730.2

33.737.341.245.149.1

53.257.561.866.470.9

75.680.385.395.2106

116133164194

27.531.435.3

39.443.748.352.857.5

62.467.372.477.883.0

88.594.199.9112124

135156190228

32.937.342.1

47.152.257.563.068.7

74.680.586.692.899.2

106113119133148

162186228261

40.145.751.5

57.563.870.477.183.9

91.196.4102107112

117123128138149

160177204232

44.048.452.7

57.161.666.070.475.0

79.483.988.593.197.6

102107111121130

139154177201

37.441.044.8

48.452.255.959.863.6

67.571.275.179.082.9

86.890.794.5102110

118130150172

30.633.536.6

39.742.845.748.952.0

55.158.361.464.667.7

70.974.277.483.890.3

96.8107123139

23.625.928.3

30.633.035.437.740.1

42.544.947.549.952.3

54.757.359.764.669.7

74.782.395.1108

16.418.019.6

21.222.924.526.127.9

29.531.232.934.636.3

38.139.741.444.948.4

51.957.166.075.0

12.613.915.2

16.417.718.920.221.5

22.824.125.326.728.0

29.430.732.134.737.4

40.144.151.057.9

8.779.6410.5

11.412.313.214.114.9

15.816.817.718.519.4

20.421.322.324.025.9

27.830.635.440.2

4.715.165.63

6.106.577.057.528.01

8.498.979.459.9410.4

10.911.411.912.913.9

14.916.418.921.6

2.522.763.02

3.273.533.784.044.29

4.554.805.075.325.59

5.856.126.386.917.44

7.988.8010.211.5

1.101.211.33

1.431.541.651.771.88

2.002.112.232.332.45

2.562.682.803.033.26

3.503.864.455.06

10

A B C


Lubrication System


25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1600 1800 2000 2200 2400 2600 2700




U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

IVE

CH

AIN

S

A-14




RS120 1 2.118 .980 1.138 2.197 Cottered 28,125 37,480 6,830 3.98RS120-2 2 3.905 1.874 2.031 4.063 Cottered 56,250 71,880 11,560 7.86RS120-3 3 5.701 2.772 2.929 5.850 Cottered 84,375 107,820 17,070 11.78RS120-4 4 7.488 3.665 3.823 7.638 Riveted 112,500 143,760 22,530 15.70RS120-5 5 9.280 4.561 4.719 9.425 Riveted 140,625 179,700 26,630 19.59RS120-6 6 11.067 5.455 5.612 11.213 Riveted 168,750 215,640 31,410 23.49

111213

1415161718

1920212223

2425262830

32354045

RS120 1 1/2” Pitch


Roller LinkPlates

Chain No. P R W T H h DRS120 120 1.500 .875 1.000 .187 1.425 1.228 .437

1.789 80



❈

❈

000

0

9.610.912.3

8.940000

10.411.813.3

14.916.518.219.811.3

0000

11.212.814.3

16.118.019.721.623.5

25.527.529.616.6

0

000

12.213.915.7

17.619.421.523.525.6

27.830.032.334.637.0

39.441.326.6

00

13.415.317.2

19.221.323.525.728.2

30.432.935.438.040.5

43.245.948.754.442.4

00

14.816.819.0

21.223.525.928.431.0

33.536.239.041.844.7

47.650.753.860.166.5

73.447.7

0

16.418.821.1

23.526.128.731.534.3

37.340.143.246.349.5

52.856.259.566.573.9

81.492.959.5

0

18.420.923.5

26.329.132.135.338.4

41.644.948.351.855.4

59.062.866.574.382.5

90.810412780.1

20.723.526.6

29.632.936.239.643.2

46.850.754.458.562.5

66.570.775.183.892.9

102117143172

23.526.830.2

33.837.441.345.249.2

53.457.762.166.571.1

75.980.685.495.6106

117133164194

27.131.034.9

39.043.247.652.256.9

61.766.571.676.782.1

87.492.998.7110122

135154188224

31.836.240.8

45.650.755.861.066.5

72.177.983.890.096.2

102109115129143

158180220263

38.043.248.7

54.460.566.572.879.4

86.192.9100107115

122130138154172

188215263314

46.352.859.5

66.573.981.489.097.1

105114122131139

146160169189209

231263322384

58.566.675.1

83.993.1103112122

133143154165177

188196204221239

256282325369

68.475.281.9

86.895.6103110117

124130138145152

158166173188202

217239276314

55.961.667.1

72.778.383.989.695.2

101107113118124

130135142153165

177196225256

43.247.551.8

56.160.364.869.273.5

77.982.586.991.395.9

100105109119128

137150174198

30.033.035.9

38.942.044.948.051.1

54.257.360.363.466.5

69.672.875.982.388.6

95.1105121137

23.225.527.8

30.032.334.737.039.4

41.844.146.548.951.4

53.856.258.663.668.4

73.480.993.3106

16.117.719.3

20.922.524.125.727.4

29.030.732.333.935.7

37.339.040.844.147.5

51.056.164.873.6

8.619.4710.3

11.212.012.913.814.6

15.616.517.318.219.0

20.020.921.923.625.5

27.430.034.739.4

4.615.075.53

5.996.456.927.397.86

8.338.819.289.7610.2

10.711.211.712.713.7

14.616.118.621.2

2.022.232.43

2.632.833.033.233.45

3.653.864.064.284.49

4.694.915.125.555.98

6.417.078.159.27

10

A B C


Lubrication System


25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100




U.S. TSUBAKI

U.S. TSUBAKI



A-15

A -

DR

IVE

CH

AIN

S




RS140 1 2.307 1.059 1.248 2.382 Cottered 38,280 48,510 9,040 5.03RS140-2 2 4.233 2.022 2.211 4.421 Cottered 76,560 94,370 15,360 9.97RS140-3 3 6.165 2.986 3.179 6.350 Cottered 114,840 141,550 22,600 14.92RS140-4 4 8.091 3.949 4.142 8.276 Riveted 153,120 188,740 29,830 19.16RS140-5 5 10.015 4.913 5.102 10.201 Riveted 191,400 235,920 35,250 24.84RS140-6 6 11.949 5.878 6.071 12.126 Riveted 229,680 283,110 41,580 29.77

111213

1415161718

1920212223

2425262830

32354045

RS140 1 3/4” Pitch


Roller LinkPlates

Chain No. P R W T H h DRS140 140 1.750 1.000 1.000 .219 1.661 1.433 .500

1.924 68



❈

❈

000

0

15.217.319.4

21.90000

0

16.819.021.5

24.026.629.432.135.0

38.00000

00

18.521.123.9

26.629.532.535.738.8

42.145.548.952.456.1

59.763.6

000

20.723.626.6

29.833.036.339.843.3

47.150.854.658.662.6

66.870.975.284.193.2

00

23.326.630.0

33.537.341.044.948.9

53.057.361.766.070.7

75.280.184.994.8105

11613000

26.630.334.2

38.242.446.751.155.8

60.565.270.375.280.5

85.791.296.7108120

13215217892.8

30.735.039.4

44.148.953.859.064.2

69.775.281.086.992.8

99.0105112125138

152174213237

35.941.046.3

51.657.363.269.275.2

81.788.194.8102109

116123131146162

178204249298

42.948.955.3

61.768.475.282.589.8

97.5105113121130

138148156174193

213243298355

52.459.767.3

75.283.492.0101110

119128138148158

169180190213236

260298363434

66.075.284.9

94.8105116127138

150161176188201

215228241268298

329375459547

75.286.497.4

109120132145158

172185198213228

243259274306339

370408471535

87.099.1112

125138153168182

193204216227237

249260271294316

339374432491

97.5107117

126137146156166

176186196207216

227236247267288

308341393447

87.796.3105

114123131141149

158168176185194

204213223240259

278306354401

77.885.493.2

101109117124132

141149157165173

181189197213229

247271314357

67.774.381.1

87.894.7102108115

122129135143150

157165172185200

215236274310

57.463.268.8

74.680.386.191.997.8

104110115121127

133139145158170

182201232263

46.951.656.3

61.065.770.475.279.9

84.889.694.599.4104

109114119129139

149164189215

36.239.843.4

47.150.754.358.161.7

65.469.273.076.780.5

84.288.091.999.5107

115127146166

25.227.630.2

32.735.337.740.442.9

45.548.050.753.255.9

58.561.263.769.174.4

79.887.8102115

13.514.916.2

17.618.920.221.622.9

24.425.727.128.629.9

31.432.734.237.039.8

42.847.154.461.8

7.237.948.66

9.3910.110.811.612.3

13.013.814.515.316.1

16.817.618.419.821.3

22.925.229.133.1

3.163.493.80

4.124.434.755.075.39

5.736.056.376.717.03

7.367.708.038.699.37

10.011.112.814.5

10

A B C


Lubrication System


25 50 100 150 200 250 300 350 400 450 500 550 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700




U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

IVE

CH

AIN

S

A-16





111213

1415161718

1920212223

2425262830

32354045

RS160 2” Pitch


Roller LinkPlates


2.305 60



❈

❈

000

0

23.126.329.6

33.10000

000

26.029.633.4

37.341.445.649.954.4

59.063.768.5

00

0000

29.633.738.1

42.547.151.957.062.1

67.272.778.283.789.6

95.51011081200

00

34.138.944.0

49.154.459.965.671.5

77.583.790.196.7103

110117124139154

16918000

40.045.651.4

57.463.770.376.883.7

90.898.2105113121

129137145162180

198227257189

43.649.656.1

62.669.576.483.791.2

99.0107115123132

139149158177196

216247302271

47.754.461.3

68.576.083.791.799.9

108117126135143

154164173194215

237271331349

52.659.967.6

75.583.792.3101110

119129139149159

169180192215237

261298365418

58.366.475.0

83.792.8102112122

132143154165176

188200212237263

290331404483

65.274.383.7

93.6104114125135

148160172184197

211223237266294

323370452539

73.583.794.4

105117129141154

168180194208223

237252267298331

365417514613

83.795.5108

120133148161176

190205221237255

272288306342380

416476582695

96.7110124

139156170186202

220237255274292

312331351393436

480550650739

113129146

162181198217237

257278295310326

341357371402433

465512591672

132145158

172185198212225

239252266279292

307321334362390

418461532605

117129141

152164176188200

212223235248260

272284296321346

371409472536

102112122

132142153164173

184194205216227

236247257279302

323355410467

86.594.9104

112121130138148

156165174182192

201209219237256

274302349396

70.777.684.8

91.798.8106113120

128135142150157

164172180194209

224247286325

54.659.965.4

70.876.381.887.492.9

98.6104110115121

127132138150161

173190220249

38.041.745.5

49.253.056.960.664.5

68.472.376.280.284.1

88.092.096.0104112

120132153173

20.222.324.3

26.428.430.432.534.6

36.638.840.942.945.1

47.249.351.555.860.1

64.470.981.993.1

10.912.013.0

14.115.216.417.418.5

19.620.821.923.124.1

25.326.427.629.932.2

34.538.043.949.9

4.775.245.71

6.206.667.157.638.13

8.619.119.5910.110.6

11.111.612.113.114.1

15.216.619.221.9

10

A B C


Lubrication System


25 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 1000 1100 1200 1300 1400




U.S. TSUBAKI

U.S. TSUBAKI



A-17

A -

DR

IVE

CH

AIN

S





111213

1415161718

1920212223

2425262830

32354045

RS180 2 1/4” Pitch


Roller LinkPlates


2.592 54



❈

❈

00

32.537.1

0

000

34.939.744.8

50.255.561.3

00

000

37.542.848.3

53.959.765.872.178.6

85.392.099.1

00

00

40.546.352.2

58.264.571.177.984.9

92.099.4107115123

131139000

44.050.256.5

63.270.077.284.592.0

99.9108116124133

142152160178198

00

47.954.661.6

68.876.284.192.0100

109117126135145

154164174194216

2392200

52.459.767.5

75.483.592.0100110

119128138148160

169180192213236

2602912440

57.865.874.3

82.992.0101111121

131141152164176

186198211235260

287329325271

64.173.182.3

92.0102112123134

145157169181194

207220233260290

319365398361

71.681.792.0

102114125137150

162176189202216

231245260291322

355406465441

80.792.0103

115128141156169

184198213228244

260278294329365

401459524514

92.0105118

132146161177192

208225243260278

296315334374414

456522575578

106121135

152169186204223

241260280300323

345366386432479

527603610632

124142161

178198219239260

283306329353377

401426452506561

601661660680

149169190

213236256272290

307325343361378

396414432468504

540595688728

152166181

196212227241257

272288304319335

351367382414447

479528610692

132145158

170184197211224

237251264278292

306319333361389

417460531602

112123134

145156168178190

201213224236248

259271283306330

354390451511

91.3100109

119128137146156

165174184193202

212221232251270

290319369418

70.577.584.5

91.598.6106113120

127134142149157

164172178193208

224247284323

48.953.858.6

63.668.473.478.383.3

88.493.398.4104109

114119124134145

156170197224

26.328.831.4

34.136.739.342.044.7

47.350.052.755.558.2

60.963.766.472.077.5

83.191.6106120

14.115.416.9

18.219.721.122.523.9

25.326.828.329.831.2

32.634.135.538.641.6

44.549.156.764.4

6.176.777.39

7.998.629.249.8710.5

11.111.812.413.013.7

14.315.015.616.918.2

19.621.524.828.2

10

A B C


Lubrication System


25 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150




U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

IVE

CH

AIN

S

A-18




RS200 1 3.299 1.535 1.764 3.437 Cottered 78,125 103,630 16,090 11.08RS200-2 2 6.122 2.947 3.175 6.346 Cottered 156,250 207,260 27,350 21.93RS200-3 3 8.945 4.360 4.585 9.173 Riveted 234,375 310,890 40,220 32.94RS200-4 4 11.768 5.772 5.996 11.996 Riveted 312,500 414,520 53,090 43.79RS200-5 5 14.590 7.181 7.409 14.815 Riveted 390,625 518,150 62,750 54.64RS200-6 6 17.414 8.593 8.821 17.638 Riveted 468,750 621,780 74,010 65.58

111213

1415161718

1920212223

242526

RS200 2 1/2” Pitch


Roller LinkPlates


2.817 48



❈

❈

7.36 10.6 13.7 19.8 25.6 31.4 42.4 58.5 84.2 109 133 157 181 162 135 115 100 87.8 77.9 08.09 11.7 15.2 21.7 28.2 34.5 46.7 64.2 92.5 120 146 173 198 184 154 132 114 100 08.82 12.7 16.5 23.7 30.7 37.5 50.8 70.0 101 131 160 188 216 208 174 148 129 113 0

9.56 13.8 17.8 25.7 33.3 40.6 55.1 75.9 109 142 173 204 235 232 194 166 143 126 010.3 14.9 19.2 27.6 35.8 43.9 59.3 81.8 118 153 186 220 252 257 215 184 160 139 011.0 16.0 20.7 29.6 38.5 46.9 63.6 87.7 126 164 200 236 271 284 237 202 176 154 011.8 17.0 22.0 31.6 41.0 50.2 67.9 93.6 135 174 213 252 290 311 260 223 192 169 012.5 18.1 23.3 33.7 43.6 53.4 72.3 99.5 143 186 227 268 307 338 284 243 209 184 0

13.3 19.2 24.8 35.7 46.3 56.6 76.6 106 152 197 241 284 326 367 307 261 227 198 014.1 20.2 26.1 37.8 48.9 59.8 81.0 112 161 208 255 300 345 389 333 283 245 014.8 21.3 27.6 39.8 51.5 63.0 85.3 118 169 220 268 316 363 409 358 306 264 015.6 22.4 29.1 41.8 54.2 66.2 89.7 124 178 231 282 333 382 430 384 327 283 016.4 23.5 30.4 43.9 56.9 69.5 94.1 130 186 243 296 349 401 452 409 349 303 0

17.2 24.7 31.9 46.0 59.5 72.8 98.6 135 196 253 310 365 420 473 437 373 323 017.8 25.7 33.4 48.0 62.2 76.0 103 142 204 266 323 382 439 495 464 396 343 018.6 26.8 34.7 50.2 64.9 79.4 107 148 213 276 338 398 457 516 492 420 365 0

10 15 20 30 40 50 70 100 150 200 250 300 350 400 450 500 550 600 650 700

A B C


Lubrication System





U.S. TSUBAKI

U.S. TSUBAKI



A-19

A -

DR

IVE

CH

AIN

S




RS240 1 4.071 1.886 2.185 4.201 Riveted 112,500 152,140 22,270 16.46RS240-2 2 7.531 3.618 3.913 7.811 Riveted 225,000 304,280 37,850 32.32RS240-3 3 10.984 5.348 5.636 11.272 Riveted 337,500 456,420 55,670 48.11RS240-4 4 14.453 7.079 7.374 14.732 Riveted 450,000 608,560 73,490 63.90RS240-5 5 17.913 8.809 9.104 18.189 Riveted 562,500 760,700 86,850 79.70RS240-6 6 21.370 10.539 10.831 21.657 Riveted 675,000 912,840 102,440 95.49

111213

1415161718

1920212223

242526

6.817.488.15

8.849.5210.210.911.6

12.313.013.714.315.2

15.816.517.3

12.713.915.2

16.517.719.020.421.6

22.924.325.626.828.2

29.530.832.2

18.220.121.9

23.725.627.529.231.1

33.034.936.738.840.6

42.544.446.4

23.726.028.4

30.733.135.538.040.4

42.845.247.750.252.6

55.157.560.1

29.031.834.7

37.540.543.446.449.3

52.355.358.361.364.2

67.370.473.4

34.237.540.9

44.347.751.254.758.2

61.765.268.772.175.8

79.482.986.5

44.348.553.0

57.461.866.470.875.4

79.884.488.993.698.2

103107112

54.059.464.8

70.175.681.186.592.1

97.6103109114120

126131137

63.770.076.3

82.789.095.5102108

115122128134141

148154161

82.690.799.0

107115124132141

149157166174184

192200209

101111121

131141152161172

182193202213224

235245256

123135148

160173185197211

223235248261274

287299312

145160174

189204219232248

263278292307322

338353369

168184200

217233251267284

302319335353370

388405422

188207225

244263283302321

339359378398418

437457477

231253276

299322345369392

416439463487496

531550561

271298325

353380388397406

425443463471481

504520532

228260294

329363372381390

408424440455469

483496510

188213240

268298329359377

393408421436448

000

15600

00000

00000

0

RS240 3” Pitch


Roller LinkPlates


3.458 40



❈

❈

5 10 15 20 25 30 40 50 60 80 100 125 150 175 200 250 300 350 400 450 500

A B C


Lubrication System





U.S. TSUBAKI

U.S. TSUBAKI


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Heavy SeriesHeavy Series roller chains differ from the ANSI standard series in the extra thickness of the linkplates and the extra length of the pins. These link plates have the same thickness as the link plates ofANSI chains having the next larger pitch. The thicker link plates provide greater capacity(approximately 10%) for absorbing shock loads. These chains are suitable in situations where theload is heavy or operating conditions are severe.

Pitch Roller Width Link Plate Pin Transverse Average Maximum Approx.Dia. Between Pitch Tensile Allowable Weight

Roller Link Strength Load lbs./ft.Plates lbs. lbs.

Chain No. P R W T H h D L1 L2 CSINGLE STRANDRS60HRS80HRS100HRS120HRS140HRS160HRS200HRS240HDOUBLE STRANDRS60H-2RS80H-2RS100H-2RS120H-2RS140H-2RS160H-2RS200H-2RS240H-2TRIPLE STRANDRS60H-3RS80H-3RS100H-3RS120H-3RS140H-3RS160H-3RS200H-3RS240H-3

.751.001.251.501.752.002.503.00

.751.001.251.501.752.002.503.00

.751.001.251.501.752.002.503.00

.469

.625

.750

.8751.0001.1251.5621.875

.469

.625

.750

.8751.0001.1251.5621.875

.469

.625

.750

.8751.0001.1251.5621.875

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.125

.156

.187

.219

.250

.281

.375

.500

.125

.156

.187

.219

.250

.281

.375

.500

.125

.156

.187

.219

.250

.281

.375

.500

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.614

.8191.0241.2281.4331.6382.0472.457

.614

.8191.0241.2281.4331.6382.0472.457

.614

.8191.0241.2281.4331.6382.0472.457

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.583

.720

.8581.0611.1381.3371.6892.157

1.0831.3581.6302.0142.1632.5553.2304.146

1.6141.9982.4002.9843.1913.7564.7606.104

.669

.823

.9651.2031.3031.5141.8942.453

1.1811.4921.7362.1712.3432.7363.4374.461

1.7202.1202.5103.1343.3703.9614.9696.423

————————

1.0281.2831.5391.9242.0552.4373.0833.985

1.0281.2831.5391.9242.0552.4373.0833.985

9,92017,64026,46037,48048,51060,630

103,630152,140

19,84035,28052,92071,88094,370

121,260207,260304,280

29,76052,92079,380

107,820141,550181,890310,890456,420

2,2003,6305,5107,2709,590

12,50017,60025,300

3,7006,1009,300

12,30016,30021,20029,90043,000

5,5009,000

13,70018,10023,90031,20044,00063,200

1.212.083.074.385.547.35

12.3319.54

2.414.156.078.67

11.0114.6424.5138.47

3.606.219.10

12.9916.4821.9336.8157.33

Note: 1. Riveted or cottered types are available.❈ 2. Refer to page A-23, “Selection for Slow Speed.”

❈U.S. TSUBAKI

TSUBAKI_A20-36.qxd 1/25/05 7:53 AM Page 1


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An economical choice in drive applications where the speed is low, the load moderate, or the center distance relatively long.

U.S. Tsubaki Double Pitch Drive Chains are also available in stainless steel, nickel-plated, and ULTRA WP®.

Pitch Roller Width Pin Link Plate Average Approx. No. ofDia. Between Tensile Weight Links

Roller Link Strength lbs./ft. perPlates lbs. 10 ft.

Chain No. P R W D L1 L2 T HA2040A2050A2060A2080

1.0001.2501.5002.000

.312

.400

.469

.625

.312

.375

.500

.625

.156

.200

.234

.312

.325

.406

.506

.640

.380

.469

.600

.754

.060

.080

.094

.125

.472

.591

.709

.906

3,7006,1008,500

14,500

.26

.42

.631.03

120968060

Note: Spring clip type connecting links will be provided for A2040 ~ A2060, unless otherwise specified.

Sprockets for RS Double Pitch Roller ChainThere are special sprockets for RS Double Pitch roller chains. However, ANSI standard sprockets are also available for use, if the roller is a standard roller and the number of sprocket teeth is 30 or over.Please contact U.S. Tsubaki for details of special sprockets.

U.S. TSUBAKI


Basic Formula for Chain Drive1) Chain speed: S

P • N • n12

P : Chain pitch (inch)N : Number of teeth of sprocketn : Revolution per minute (rpm)

2) Chain tension: T33,000 • HP

SS : Chain Speed (ft./min.)HP: Horsepower to be transmitted (hp)

3) Number of pitches of chain: LN2–N1

N1+N2 6.282 C

N1 : Number of teeth (small sprocket)N2 : Number of teeth (large sprocket)C : Center distance in pitches

* Any fraction of L is counted as one pitch.

4) Center distance in pitches: C18

+ (2L–N1–N2)2 – (N2–N1)2

Table II: Multiple Strand Factor

T= (lbs.)

S= (ft./min.)

2) Use Table I to obtain the “Service Factor.”3) Multiply the horsepower value by the service

factor to obtain the design horsepowervalue.

4) Use Table IV on page A-24 and thehorsepower ratings tables on pages A-6 toA-19 to obtain the appropriate chain numberand the number of teeth for small sprockets.Refer to the number of revolutions of thehigh speed shaft (the driving shaft when thespeed is reduced; the driven shaft when thespeed is increased) and the designhorsepower value. For smoother chain drive,a smaller pitch chain is suggested. If asingle strand chain does not satisfy thetransmission requirements, use a multiplestrand chain. If there are space limitations, amultiple strand roller chain with a smallerpitch may be used.

5) After determining the number of teethnecessary for the small sprocket, refer to theSprocket Dimension Table (pages A-79 to A-82) to check if the sprocket diametersatisfies the space limitations.

6) The number of teeth for the large sprocket isdetermined by multiplying the number ofteeth for the small sprocket by the speedratio. More than 15 teeth on the smallsprocket is suggested. The number of teethfor the large sprocket should be less than120. By reducing the number of teeth for thesmall sprocket, the number of teeth for thelarge sprocket can be reduced.

7) For temperatures below 15°F, see theEnvironmental Temperatures and Points ofConcern Table on page B-38.

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CHAIN DRIVE SELECTION

Horsepower RatingThe horsepower rating in Table IV on page A-24 is based on the following conditions:1) The chains are operated under ordinary

conditions. The ambient temperature rangemust be between 15°F and 140°F. Theyshould not be used in an atmosphere inwhich abrasive dust or corrosive gas ispresent or where the humidity is high.

2) The two transmission shafts are in ahorizontal position, and the chains areproperly installed.

3) The suggested lubrication system and oil areused.

4) The load does not change significantly duringtransmission. The “Service Factor” given inTable I should be taken into account whenthe chains are used under various operatingconditions. The load conditions will affect thelife of the chain.

5) The increase in the horsepower rating ofmultiple strand roller chain cannot becalculated simply by multiplying thehorsepower rating of one strand by thenumber of strands, since the load on eachstrand is not exactly the same. In order toestimate the service life of a multiple strandchain, the “Multiple Strand Factor” given inTable II must be used. When the chain lengthis 100 pitches and the above conditions aremet, a service life of approximately 15,000hours can be expected.

Procedures for Selecting Roller Chain1) The following factors must be considered

when selecting roller chain.a. Source of powerb. Driven machinec. Horsepower to be transmittedd. RPM of driving and driven shaftse. Diameter of driving and driven shaftsf. Center distance of the shafts

L= +2C+

C= 2L–N1–N2

*( )2

{

}89.86

√

Number of Multiple StrandRoller Chain Strands Factor

2 1.7

3 2.5

4 3.3

5 3.9

6 4.6

Table I: Service Factor

Type of Impact Machines

Source of PowerInternal Combustion Engine

With hydraulicdrive

ElectricMotor orTurbine

Without hydraulicdrive

1.0

1.3

1.5

1.0

1.2

1.4

1.2

1.4

1.7

SmoothBelt conveyors with small load fluctuation, chain conveyors,centrifugal blowers, general textile machines, machines with small load fluctuation

Centrifugal compressors, marine engines, conveyors with some loadfluctuation, automatic furnaces, dryers, pulverizers, general machinetools, compressors, general work machines, general paper mills

Press, construction or mining machines, vibration machines, oil wellrigs, rubber mixers, rolls, general machines with reverse or largeimpact loads

Some impact

Large impact


inches. The horsepower rating of a 15-tooth sprocket for the RS60-3 shouldbe confirmed by the horsepower ratingfor the RS60 (see page A-11).

The horsepower rating of a 15 toothsprocket is 15.1 hp at 700 rpm and 17hp at 800 rpm. So the horsepowerrating at 750 rpm is about 16 hp. Since16 hp is for a single strand chain, thehorsepower rating must be multipliedby a multiple strand factor of 2.5 for atriple strand (see page A-22).

Therefore, the horsepower rating ofRS60-3, 15 teeth at 750 rpm is 40 hp(16 • 2.5 = 40).

Step 5 Refer to Sprocket Section (C)in this catalog to check the diameter ofthe bore.

A 45-tooth sprocket meets the necessaryrequirement, but since the maximum borediameter (1.87 inches) of a 15-toothsprocket is smaller than the drive shaftdiameter of 2 inches, it can’t be used.

A 16-tooth sprocket with a maximum borediameter of 2 inches must be used.Check again that the outside diameter,4.21 inches for 16 teeth and 11.89 inchesfor 48 teeth, is less than the spacelimitation (4.21 + 11.89 < 20).

A combination of RS60-3, 16 and 48teeth must be used to fulfill all thenecessary requirements.

Selection for Slow Speed

When the chain speed (S) is less than 160 ft./min., select the RS roller chain that is one size smaller than the chain chosen from the horsepower rating method mentioned above.

1. Tentatively select the chain andsprocket from Table IV (page A-24)and proceed by using a one-size-smaller chain and its sprocket with thenumber of teeth close to the sprocketselected above. Be sure to confirmthat the sprocket meets the applicationrequirements such as bore diameterand space limitation, etc.

2. Calculate the chain speed from thenumber of teeth on the drivingsprocket using equation (A). Alsocheck that the speed is less than 160ft./min.

3. Calculate the chain tension for theabove drive from equation (B).

4. Select the service factor and the chainspeed coefficient from Table I (page A-22)and Table III.

5. Verify that the chain has maximumallowable load which satisfiesequation (C).

S= (ft./min.) . . . . . . . . . .(A)

T= (lbs.) . . . . . . . . . .(B)

T • Service Factor • Chain SpeedCoefficient ≤ Maximum AllowableLoad . . . . . . . . . . . . . . . . . . . . . .(C)S: chain speed (ft./min.)P: chain pitch (inch)N: number of sprocket teethn: revolutions per minute (rpm)T: chain tension (lbs.)HP: horsepower to be transmitted (hp)

There are two different ways to do thenext step: to increase the number ofteeth, or to use the same procedure forSuper Chains of the same size (refer toSuper Chains on pages A-35 to A-42).

Note: Please use press fit connectinglinks for slow speed chain selection.

Table III: Chain Speed Coefficient

Selection for High TemperaturesU.S. Tsubaki Improved Drive Chainsare made of heat treated carbon steel.When exposed to high temperatures,the mechanical properties of the heattreated chain components are lost.

1. The hardness, and therefore thewear resistance of pins andbushings, is reduced.

2. At temperatures above 390°F, therollers and plates lose their hardnessand strength.

Standard roller chains can be used intemperatures up to 500°F with thefollowing adjustments:


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Step 1 Data Required

1. Type of application:Centrifugal Blower

2. Shock Load:Small load fluctuation

3. Source of Power: Motor

4. HP to be transmitted: 40 hp

5. Drive shaft:Diameter 2 inches, 750 rpmDriven shaft:Diameter 3 inches, 250 rpm

6. Center distance:Less than 9 inches

7. Space limitation:Less than 20 inches

Step 2 Use Table I to determine theservice factor.

Service Factor SF = 1.0

Step 3 Obtain Design HPDesign HP = (HP to be transmitted) • SF

= 40 hp • 1.0= 40 hp

Step 4 Obtain the chain number andthe number of teeth on the smallsprocket from the Roller ChainSelection Table (page A-24) referringto the above 40 hp and 750 rpm.

Then check it by referring to the Horse-power Rating Tables (pages A-6 to A-19).

1. According to the horsepower rating,the best choice would normally be asingle strand of RS80-17 teeth. Sincethe speed ratio is 1/3 (250/750 rpm),the necessary number of sprocketteeth would be 17 for the smallsprocket and 51 for the large sprocket.But, as the outside diameters are 5.94inches for 17 teeth and 16.81 inchesfor 51 teeth (refer to sprocketdimensions on pages A-79 to A-82), itexceeds the space limitation of 20inches (5.94 + 16.81 > 20 inches).

Therefore, these sprockets are notsuitable.

2. As a single strand chain is notsuitable, a multiple-strand RS60-2, 22and 66 teeth would be possible. Butthis combination is not suitable due tothe space limitation again (5.67 +16.18 > 20 inches).

3. For triple strand, RS60-3, 15 and 45teeth would be possible.

The sprockets’ diameters are 3.90inches and 11.18 inches respectively,the sum of which is less than 20

P • N • n12

33,000 • HPS

Chain Speed

Less than 50 ft./min.

50 to 100 ft./min.

100 to 160 ft./min.

SpeedCoefficient

1.0

1.2

1.4

Temperature

Up to 340°F

390°F

500°F

Percentage ofCatalog Capacity

Rating

100%

75%

50%

For temperatures below 15°F, see theEnvironmental Temperatures and Points ofConcern Table on page B-38.


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How to use this table:1. Example ... Design horsepower — 7 hp

a) Assume that the RPM of the small sprocket is 100.Judging from the intersection point of the design horsepower’s value of 7 hp and the RPM value of 100, RS80 and a sprocketwith either 17 teeth or 18 teeth can be selected. Sprockets with 17 teeth are more economical than those with 18 teeth.

b) Assume that the RPM of the small sprocket is 300. An RS60, 15-tooth sprocket is appropriate from the intersection point in the same manner as above. The line for RS50-24 teeth can also be seen near the intersection of 7 hp and 300 rpm.Therefore, either RS60-15 teeth or RS50-24 teeth can be selected. This table is used to make a tentative selection. TheHorsepower Rating Tables should be used to determine the most appropriate chain and sprocket.

2. Horsepower lines of 20, 24 and 30-tooth sprockets are shown only in the high speed range on the right hand side of the abovechart. When checking the horsepower line of these sprockets, make a line parallel to the other lines on the left hand side of thedotted line for RS50-24 teeth.

3. When using a chain in the white part on the right side of the table, please consult with U.S. Tsubaki.4. When the chain speed is less than 160 ft./min., it is more economical to select your RS roller chain by the selection method for

slow speed drives (see page A-23).

Table IV: RS Roller Chain Selection Table


U.S. TSUBAKI LAMBDA® CHAINS

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Lambda Chain

V

®

Lube-free Drive Chain• Maintenance-free

• Even longer wear life

• Increased operating temperatures

UNIQUE PATENTED DESIGN

Wea

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long

atio

n

0

Operation Time

Former LAMBDA

Next Generation LAMBDA®

Standard RS Roller Chainwithout additional lubrication

0.5%

100%

Wea

r Li

fe

014° 140°

Temperature (F)

302°

200% Next Generation LAMBDA

Former LAMBDA

Next Generation LAMBDA Chain outlasts standard chain without post-lubrication. It outlasts our former LAMBDA Chain up to twice as long in normal temperature range (+14°F ~ +140°F).

LAMBDA Drive Chain means real savings foryour operation• Reduce maintenance costs

• Eliminate product contamination

• Reduce downtime

• Increase sprocket life

Better than ever for lube-free applicationsWhen your operation runs “clean,” when machines andconveyed materials must be free from contact with oil, or whenlubrication is difficult, Next Generation LAMBDA Chain is theright choice.

• Outlasts our former LAMBDA Chain without additional

lubrication.

• Outstanding performance in temperatures up to 302°F.

• Available in single and double strand — from RSD40 to

RSD140.

LAMBDA Drive Chain is ideal for clean applications, wheremachines and conveyed materials must be free from contactwith oil, or when lubrication is difficult. If product contaminationis a concern, if lubrication is difficult, or if you simply want toreduce maintenance costs, choose LAMBDA Chain from U.S.Tsubaki.

Select the LAMBDA Chain that’s right for your operation

Standard LAMBDA Drive Chain works in temperatures up to302°F, with a wide range of sizes and types for specialapplications.

Next Generation

Start Saving ImmediatelyMaximize the efficiency of your existing system without costlydesign or reconfiguration changes. Next Generation LAMBDAChain is directly interchangeable with most standard ANSI chainand will articulate smoothly with sprockets. And LAMBDA Chainis in stock and ready when you need it, so your line is up andrunning right away.

WEARLIFE

Drive LAMBDA®


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In addition to our standard sizes and types of LAMBDAChain, we offer Next Generation LAMBDA Chain for specialapplications:

LAMBDA Chain with ULTRA WP® Coating Corrosion-resistant lube-free chain with the strength ofcarbon steel.You get:• Excellent corrosion resistance to extend wear life in

applications that require water washdowns or exposureto moisture (not suitable for applications that requirecontact with food)

• Protection that won’t flake or peel off, keeping your linefree from the exposure that causes product damage andpremature chain wear

• Strong, dependable chain free from steel-weakeninghydrogen embrittlement to give you longer service life

BS/DIN LAMBDA Chain Lube-free chain that operates on ISO standard sprockets.Some dimensions vary slightly from ISO standards.• Replaces BS/DIN chain for cost-effective lube-free

operations• Extra temperature resistance up to 302°F

Now better than ever!Next Generation LAMBDA protects applications and profits

Next Generation LAMBDA® Chain for Special Applications

Coated Pin

Oil-impregnatedsinteredbushing

Solid roller

Heavy seriesroller link plate


Standard Pitch Roller Width Link Plates Pin Traverse Average Maximum Approx.Type Dia. Between PLP RLP RLP PLP Pitch Tensile Allowable Weight

of Roller ThicknessThickness Height Height Strength Load lbs./ft.Pin* Link lbs. lbs.

Plates

Chain No. P R W** T1 T2 H h D L1 L2 C

RSD40(H)-2LAMBDA R .500 .312 .297 .080 .080 .472 .409 .156 .689 .754 .646 8,600 1,390 1.00

RSD50(H)-2LAMBDA R .625 .400 .365 .094 .094 .591 .512 .200 .825 .892 .776 14,100 2,430 1.64

RSD60(H)-2LAMBDA R .750 .469 .483 .125 .125 .713 .614 .234 1.083 1.181 1.028 19,840 3,370 2.41

RSD80(H)-2LAMBDA R 1.000 .625 .609 .156 .156 .949 .819 .312 1.358 1.492 1.283 35,200 5,630 4.15

RSD100(H)-2LAMBDA C 1.250 .750 .736 .187 .187 1.185 1.024 .375 1.630 1.736 1.539 53,000 8,620 6.07

RSD120(H)-2LAMBDA C 1.500 .875 .974 .220 .220 1.425 1.228 .437 2.014 2.171 1.924 75,000 11,600 8.67

RSD140(H)-2LAMBDA C 1.750 1.000 .974 .252 .252 1.661 1.433 .500 2.163 2.343 2.055 97,000 15,400 11.01

Standard Pitch Roller Width Link Plates Pin Average Maximum Approx.Type Dia. Between PLP RLP RLP PLP Tensile Allowable Weight


Plates

Chain No. P R W** T1 T2 H h D L1 L2 L

RSD40-LAMBDA R .500 .312 .297 .060 .080 .472 .409 .156 .344 .411 .787 4,300 816 0.47

RSD50-LAMBDA R .625 .400 .365 .080 .094 .591 .512 .200 .423 .490 .945 7,050 1,430 0.75

RSD60-LAMBDA R .750 .469 .483 .094 .125 .713 .614 .234 .541 .616 1.260 9,920 1,980 1.16

RSD80-LAMBDA R 1.000 .625 .609 .125 .156 .949 .819 .312 .675 .797 1.571 17,600 3,310 1.86

RSD100-LAMBDA C/R 1.250 .750 .736 .156 .187 1.185 1.024 .375 .813 .939 1.870 26,500 5,070 2.89

RSD120-LAMBDA C/R 1.500 .875 .974 .187 .220 1.425 1.228 .437 1.014 1.179 2.323 37,500 6,830 4.30

RSD140-LAMBDA C/R 1.750 1.000 .974 .220 .252 1.661 1.433 .500 1.091 1.268 2.508 48,500 9,040 5.40

U.S. TSUBAKI LAMBDA® CHAINS

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LAMBDA for lube-free drive applications• Operates in temperatures up to 302°F

• Same maximum allowable load as our standard RS chain

• Available in sizes from RSD40 to RSD140

Single Strand Drive LAMBDA®

Double Strand Drive LAMBDA®

* R indicates riveted, C indicates cottered, C/R indicates available

with cottered or riveted pins.

** Width between roller link plates (W) is slightly narrower than ANSI

standard, however this chain runs on standard sprockets.

Note:1. Drive and Conveyor series LAMBDA chains cannot be

intercoupled or interchanged.2. The heavy roller link plates slightly increase the width, which

means Drive LAMBDA connecting links are required.3. Connecting links for RSD80-LAMBDA to RSD140-LAMBDA and

RSD80(H)-2LAMBDA to RSD140(H)-2LAMBDA have cotteredpins.

4. Double Strand Drive LAMBDA requires heavy-series sprockets.

U.S. TSUBAKI

U.S. TSUBAKI


Standard Pitch Roller Width Link Plates Pin Average Maximum Approx.Type Dia. Between PLP RLP RLP PLP Tensile Allowable Weight


Plates


RSD40NP-LAMBDA R .500 .312 .297 .060 .080 .472 .409 .156 .344 .411 .787 4,300 683 0.47

RSD50NP-LAMBDA R .625 .400 .365 .080 .094 .591 .512 .200 .423 .490 .945 7,050 1,210 0.75

RSD60NP-LAMBDA R .750 .469 .483 .094 .125 .713 .614 .234 .541 .616 1.260 9,920 1,630 1.16

RSD80NP-LAMBDA R 1.000 .625 .609 .125 .156 .949 .819 .312 .675 .797 1.571 17,600 2,870 1.86

RSD100NP-LAMBDA C 1.250 .750 .736 .156 .187 1.185 1.024 .375 .813 .939 1.870 26,500 4,300 2.89

RSD120NP-LAMBDA C 1.500 .875 .974 .187 .220 1.425 1.228 .437 1.014 1.179 2.323 37,500 5,730 4.30

RSD140NP-LAMBDA C 1.750 1.000 .974 .220 .252 1.661 1.433 .500 1.091 1.268 2.508 48,500 7,720 5.40

Standard Pitch Roller Width Link Plates Pin Traverse Average Maximum Approx.Type Dia. Between PLP RLP RLP PLP Pitch Tensile Allowable Weight


Plates

Chain No. P R W** T1 T2 H h D L1 L2 C

RSD40(H)NP-2LAMBDA R .500 .312 .297 .080 .080 .472 .409 .156 .689 .754 .646 8,600 1,160 1.00

RSD50(H)NP-2LAMBDA R .625 .400 .365 .094 .094 .591 .512 .200 .825 .892 .776 14,100 2,060 1.64

RSD60(H)NP-2LAMBDA R .750 .469 .483 .125 .125 .713 .614 .234 1.083 1.181 1.028 19,840 2,770 2.41

RSD80(H)NP-2LAMBDA R 1.000 .625 .609 .156 .156 .949 .819 .312 1.358 1.492 1.283 35,200 4,880 4.15

RSD100(H)NP-2LAMBDA C 1.250 .750 .736 .187 .187 1.185 1.024 .375 1.630 1.736 1.539 53,000 7,310 6.07

RSD120(H)NP-2LAMBDA C 1.500 .875 .974 .220 .220 1.425 1.228 .437 2.014 2.171 1.924 75,000 9,740 8.67

RSD140(H)NP-2LAMBDA C 1.750 1.000 .974 .252 .252 1.661 1.433 .500 2.163 2.343 2.055 97,000 13,100 11.01

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LAMBDA for corrosion resistance• Operates in temperatures up to 302°F• Ideal for mildly corrosive environments• Long-lasting and lube-free

Nickel-Plated Single Strand Drive LAMBDA®

Nickel-Plated Double Strand Drive LAMBDA®

LAMBDA for international standards• Operates in temperatures up to 302°F• Replaces BS/DIN chain• Cost effective, lube-free operation

0.47

0.70

1.01

4,230

6,080

9,060

.787

.886

1.138

.411

.472

.565

.346

.406

.486

.156

.200

.234

.409

.512

.614

.472

.591

.713

.080

.080

.094

.060

.080

.094

.305

.380

.460

.335

.400

.475

.500

.625

.750

BS/DIN Drive LAMBDA®

RSD08B-LAMBDA

RSD10B-LAMBDA

RSD12B-LAMBDA

Note:1. Although some dimensions differ from British Standard (BS/DIN), the primary dimensions are identical, enabling BS-compatible LAMBDA to engage perfectly with British Standard sprockets.2. The heavy roller link plates slightly increase the width, which means drive LAMBDA connecting links are required.

* R indicates riveted, C indicates cottered.

** Width between roller link plates (W) is

slightly narrower than ANSI standard,however this chain runs on standardsprockets.

Note:1. Drive and Conveyor series LAMBDA chains cannot be

intercoupled or interchanged.2. The heavy roller link plates slightly increase the width,

which means Drive LAMBDA connecting links arerequired.

3. Connecting links for RSD80NP-LAMBDA to RSD140NP-LAMBDA and RSD80(H)NP-2LAMBDA toRSD140(H)NP-2LAMBDA have cottered pins.

4. Double Strand Drive LAMBDA requires heavy-seriessprockets.

Pitch Roller Width Link Plates Pin Average Approx.Dia. Between PLP RLP RLP PLP Tensile Weight

Roller Thickness Thickness Height Height Strength lbs./ft.Link lbs.

Plates


U.S. TSUBAKI

U.S. TSUBAKI

U.S. TSUBAKI


U.S. TSUBAKI LAMBDA®

CHAINS

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S Horsepower RatingsThe horsepower ratings shown in these charts are based onthe following conditions.

1. The chains are operated under ordinary conditions. Theambient temperatures during typical operating conditionsrange between 14°F and 302°F. They should not be usedin an atmosphere in which abrasive dust or corrosive gasis present or where humidity is high.

2. The two transmission shafts are horizontal and the chainsare properly installed.

3. The load does not change significantly duringtransmission. The Service Factors given in Table I on pageA-22 should be taken into account when the chains areused under various operating conditions.

11 0.08 0.19 0.35 0.64 1.21 1.73 2.24 2.73 3.70 4.65 5.1112 0.09 0.20 0.38 0.71 1.31 1.90 2.47 3.00 4.07 5.1113 0.09 0.23 0.42 0.76 1.43 2.06 2.68 3.28 4.44 5.56

14 0.11 0.24 0.44 0.83 1.55 2.24 2.91 3.55 4.8115 0.11 0.25 0.48 0.90 1.68 2.41 3.14 3.83 5.1916 0.12 0.28 0.52 0.97 1.80 2.59 3.35 4.10 5.5517 0.13 0.29 0.55 1.03 1.92 2.76 3.58 4.3818 0.13 0.31 0.59 1.10 2.04 2.95 3.81 4.66

19 0.15 0.34 0.62 1.17 2.17 3.12 4.05 4.9520 0.16 0.35 0.66 1.23 2.29 3.30 4.28 5.2321 0.16 0.38 0.70 1.29 2.41 3.47 4.50 5.5122 0.17 0.39 0.72 1.35 2.53 3.66 4.73 5.7923 0.17 0.42 0.76 1.42 2.67 3.83 4.97 6.07

24 0.19 0.43 0.80 1.49 2.79 4.02 5.2025 0.20 0.44 0.83 1.55 2.91 4.20 5.4426 0.20 0.47 0.87 1.62 3.04 4.38 5.6728 0.23 0.51 0.95 1.77 3.30 4.74 6.1430 0.24 0.55 1.02 1.90 3.55 5.11

32 0.25 0.59 1.09 2.04 3.81 5.4835 0.28 0.64 1.21 2.24 4.20 6.0340 0.32 0.75 1.39 2.59 4.8445 0.38 0.84 1.58 2.95 5.50

No. ofTeeth HORSEPOWER RATINGSSmall Maximum Speed - Small Sprocket (rpm)Spkt. 10 25 50 100 200 300 400 500 700 900 1000

11 0.16 0.38 0.71 1.33 2.48 3.58 4.64 5.66 6.67 7.6712 0.19 0.42 0.78 1.46 2.72 3.93 5.09 6.22 7.33 8.4213 0.20 0.46 0.86 1.59 2.98 4.28 5.55 6.78 7.99

14 0.21 0.50 0.92 1.73 3.22 4.64 6.00 7.34 8.6615 0.23 0.54 0.99 1.86 3.47 5.00 6.47 7.9216 0.25 0.58 1.07 2.00 3.73 5.36 6.94 8.4817 0.27 0.62 1.14 2.13 3.97 5.72 7.41 9.0618 0.28 0.66 1.22 2.27 4.22 6.08 7.88

19 0.31 0.68 1.29 2.40 4.48 6.45 8.3620 0.32 0.72 1.35 2.53 4.73 6.82 8.8321 0.34 0.76 1.43 2.68 4.99 7.18 9.3222 0.35 0.80 1.50 2.81 5.24 7.5623 0.38 0.84 1.58 2.95 5.51 7.93

24 0.39 0.88 1.66 3.08 5.76 8.3025 0.40 0.92 1.73 3.23 6.02 8.6726 0.43 0.97 1.81 3.36 6.29 9.0528 0.46 1.05 1.96 3.65 6.81 9.8130 0.50 1.13 2.10 3.93 7.33

32 0.54 1.21 2.27 4.21 7.8735 0.59 1.33 2.49 4.64 8.6640 0.67 1.54 2.87 5.36 10.045 0.76 1.74 3.27 6.08

No. ofTeeth HORSEPOWER RATINGSSmall Maximum Speed - Small Sprocket (rpm)Spkt. 10 25 50 100 200 300 400 500 700 900

RSD40-LAMBDA®

RSD50-LAMBDA®

11 0.29 0.67 1.26 2.35 3.39 4.38 5.36 6.31 8.19 10.012 0.32 0.74 1.38 2.59 3.71 4.81 5.88 6.94 8.99 11.013 0.35 0.80 1.51 2.81 4.06 5.25 6.42 7.57 9.80

14 0.39 0.87 1.64 3.06 4.40 5.70 6.96 8.20 10.615 0.42 0.94 1.76 3.28 4.73 6.13 7.49 8.83 11.416 0.44 1.01 1.89 3.52 5.08 6.57 8.04 9.4617 0.47 1.09 2.01 3.77 5.41 7.02 8.58 10.118 0.51 1.15 2.14 3.99 5.76 7.47 9.13 10.7

19 0.54 1.22 2.28 4.24 6.11 7.91 9.68 11.420 0.56 1.29 2.40 4.48 6.46 8.36 10.2 12.021 0.59 1.35 2.53 4.73 6.81 8.82 10.822 0.63 1.42 2.67 4.97 7.16 9.27 11.323 0.66 1.50 2.79 5.21 7.51 9.73 11.9

24 0.68 1.57 2.92 5.46 7.87 10.2 12.525 0.72 1.64 3.06 5.71 8.22 10.6 13.026 0.75 1.72 3.19 5.95 8.58 11.128 0.82 1.85 3.46 6.45 9.29 12.030 0.87 2.00 3.73 6.94 10.0 13.0

32 0.94 2.14 3.99 7.45 10.735 1.03 2.36 4.40 8.20 11.840 1.19 2.72 5.08 9.48 13.745 1.35 3.10 5.76 10.8


RSD60-LAMBDA®


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11 1.10 2.52 4.70 6.77 8.77 10.7 12.6 14.5 16.4 18.212 1.21 2.76 5.16 7.44 9.64 11.8 13.9 15.9 18.013 1.33 3.02 5.63 8.11 10.5 12.8 15.1 17.4

14 1.43 3.27 6.10 8.78 11.4 13.9 16.4 18.815 1.54 3.52 6.57 9.46 12.3 15.0 17.716 1.65 3.78 7.05 10.1 13.1 16.1 18.917 1.77 4.03 7.52 10.8 14.1 17.218 1.88 4.29 8.00 11.5 14.9 18.2

19 2.00 4.54 8.48 12.2 15.8 19.320 2.10 4.80 8.97 12.9 16.8 20.521 2.22 5.07 9.45 13.7 17.722 2.33 5.32 9.93 14.3 18.523 2.45 5.59 10.4 15.0 19.4

24 2.56 5.84 10.9 15.7 20.425 2.68 6.11 11.4 16.5 21.326 2.80 6.38 11.9 17.228 3.03 6.90 12.9 18.630 3.26 7.44 13.9 20.0

32 3.50 7.97 14.9 21.435 3.86 8.79 16.440 4.45 10.2 18.945 5.05 11.5 21.6


11 1.09 2.02 2.91 3.78 4.61 5.44 7.04 8.60 10.1 13.1 16.1 19.612 1.19 2.22 3.20 4.14 5.07 5.98 7.73 9.46 11.1 14.5 17.7 21.613 1.30 2.43 3.48 4.52 5.52 6.51 8.43 10.3 12.2 15.7 19.3 23.5

14 1.41 2.63 3.78 4.89 5.99 7.05 9.14 11.2 13.2 17.0 20.915 1.51 2.83 4.07 5.28 6.45 7.60 9.85 12.0 14.2 18.4 22.516 1.62 3.03 4.37 5.66 6.92 8.15 10.6 12.9 15.1 19.7 24.117 1.73 3.23 4.66 6.04 7.39 8.70 11.3 13.8 16.2 21.018 1.85 3.44 4.96 6.42 7.85 9.25 12.0 14.6 17.3 22.3

19 1.96 3.65 5.25 6.81 8.32 10.2 12.7 15.5 18.4 23.620 2.06 3.86 5.56 7.20 8.81 10.4 13.4 16.5 19.3 25.021 2.18 4.06 5.86 7.59 9.27 10.9 14.2 17.3 20.422 2.29 4.28 6.17 7.97 9.76 11.5 14.9 18.2 21.423 2.40 4.49 6.46 8.38 10.2 12.1 15.7 19.0 23.4

24 2.52 4.69 6.77 8.77 10.7 12.6 16.4 20.0 24.525 2.63 4.91 7.08 9.15 11.2 13.2 17.2 20.9 25.626 2.75 5.12 7.37 9.56 11.7 13.8 17.8 21.828 2.98 5.55 7.99 10.3 12.7 14.9 19.3 23.630 3.20 5.98 8.60 11.2 13.7 16.1 20.8 25.5

32 3.43 6.41 9.23 12.0 14.6 17.3 22.4 27.435 3.78 7.06 10.2 13.2 16.1 19.0 24.540 4.37 8.15 11.7 15.3 18.6 22.0 28.345 4.96 9.26 13.3 17.3 21.2 24.8

No. ofTeeth HORSEPOWER RATINGSSmall Maximum Speed - Small Sprocket (rpm)Spkt. 5 10 15 20 25 30 40 50 60 80 100 125

RSD100-LAMBDA®

RSD120-LAMBDA®

11 0.66 1.51 2.81 4.06 5.27 6.43 7.57 9.82 12.0 14.212 0.72 1.66 3.10 4.46 5.78 7.06 8.32 10.8 13.213 0.79 1.81 3.38 4.87 6.30 7.71 9.07 11.8 14.3

14 0.86 1.96 3.66 5.27 6.82 8.35 9.84 12.7 15.515 0.92 2.12 3.94 5.68 7.36 8.99 10.6 13.716 0.99 2.27 4.22 6.08 7.88 9.64 11.4 14.717 1.06 2.41 4.52 6.50 8.42 10.3 12.1 15.718 1.13 2.57 4.80 6.92 8.95 11.0 12.9

19 1.19 2.72 5.09 7.33 9.49 11.6 13.720 1.26 2.88 5.37 7.75 10.0 12.3 14.521 1.33 3.04 5.67 8.16 10.6 12.9 15.322 1.39 3.19 5.96 8.59 11.1 13.5 16.123 1.47 3.35 6.26 9.01 11.7 14.2 16.8

24 1.54 3.51 6.55 9.44 12.2 14.925 1.61 3.67 6.85 9.85 12.8 15.526 1.68 3.82 7.14 10.3 13.3 16.428 1.82 4.14 7.73 11.1 14.5 17.730 1.96 4.46 8.34 12.0 15.5

32 2.10 4.78 8.94 12.9 16.635 2.32 5.28 9.84 14.2 18.440 2.67 6.10 11.4 16.445 3.03 6.92 12.9 18.6


RSD80-LAMBDA®

11 1.70 3.16 4.57 5.91 7.22 8.51 11.0 13.5 15.9 20.6 25.212 1.86 3.48 5.01 6.50 7.93 9.36 12.1 14.9 17.4 22.713 2.04 3.79 5.47 7.08 8.66 10.2 13.2 16.2 19.0 24.7

14 2.20 4.11 5.92 7.67 9.38 11.1 14.3 17.6 20.6 26.715 2.37 4.42 6.38 8.27 10.1 11.9 15.4 18.9 22.216 2.55 4.74 6.84 8.86 10.8 12.8 16.5 20.2 23.917 2.72 5.07 7.30 9.46 11.6 13.7 17.7 21.6 25.518 2.90 5.39 7.77 10.1 12.3 14.5 18.8 22.9 27.1

19 3.07 5.72 8.23 10.7 13.0 15.4 20.0 24.420 3.24 6.04 8.70 11.3 13.8 16.2 21.0 25.721 3.42 6.37 9.18 11.9 14.5 17.2 22.2 27.122 3.59 6.70 9.65 12.5 15.3 18.0 23.3 28.523 3.77 7.02 10.1 13.1 16.1 18.9 24.5

24 3.94 7.36 10.6 13.7 16.8 19.8 25.625 4.11 7.69 11.1 14.3 17.6 20.6 26.826 4.30 8.03 11.6 15.0 18.4 21.6 27.928 4.66 8.69 12.5 16.2 19.8 23.3 30.330 5.01 9.37 13.5 17.4 21.3 25.2

32 5.37 10.0 14.5 18.8 22.9 26.935 5.92 11.1 15.9 20.6 25.2 29.840 6.85 12.8 18.4 23.9 29.1

No. ofTeeth HORSEPOWER RATINGSSmall Maximum Speed - Small Sprocket (rpm)Spkt. 5 10 15 20 25 30 40 50 60 80 100

RSD140-LAMBDA®


U.S. TSUBAKI “V” CLASS CHAIN

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S “V” Class Chainfor Maximum Fatigue Resistance

U.S. Tsubaki “V” Class roller chain is designed for high speed and high shockload applications. “V” Class chain is designed to withstand the heavy loadsfound in oil field, mining, logging, and ball mill applications.

Pump Drive

Ball Mill


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Benefits� Semi-Press Middle Link PlatesMiddle link plates have a shorter pitch thanthe pin link plates creating a contact fit. Thisallows for easier cutting and assembly of thechain without sacrificing its horsepowerrating.

� Meets API 7F SpecificationU.S. Tsubaki “V” Class chain is manufacturedaccording to the API specification 7F, OilField Chain.

� Superior Impact ResistanceThe pin surface is carburized and hardened byU.S. Tsubaki heat-treating techniques forsuperior impact resistance. This results ingreater breaking strength and increased chainwear life compared to ANSI standard chains.

� Greater Fatigue StrengthLink plates are ball drifted after heat-treatmentfor greater fatigue strength. This results in a 30%increase in chain life compared to our ANSIstandard chains.

� High Speed DurabilityRollers, precisely manufactured, are shot-peened after heat-treatment to give themsuperior fatigue life and high speed durability.

Heat-Treatment ball-drift shot-peening


U.S. TSUBAKI “V” CLASS CHAIN

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Note: Shepherd’s crook type cotter ( ) will be supplied unless otherwise specified.

BCL (bushed type connecting links) are employed formultiple strand chain. The cover plate is designed for asnug press-fit on the pins for use on drives that aresubjected to high speeds and heavy shock loads. Removalof the press-fitted pin may be less convenient than that ofordinary connecting links but better fatigue strength isprovided.

Press fit offset link plates are used. It is suggested thatoffset links be used only when an odd number of linkscannot be avoided.

Cotter Pin TypeConnecting Link(The pin and link plateare press-fitted.)

Four-pitch Offset Link


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No. Pitch Roller Width Pin Pin Transverse Average Approx.of Dia. Between Link Plate Dia. Length Pitch Tensile Weight

Strands Roller Link Strength lbs./ft.Plates lbs.

Chain No. P R W T H h D L C

2.685.277.91

10.5513.1215.7818.4321.063.987.86

11.7815.7019.5923.4926.5430.325.039.97

14.9219.1624.8429.7735.0440.046.79

13.4720.1726.9233.5240.2746.5853.2211.0421.9332.9443.7954.6458.6576.4787.3716.4632.3248.1163.9079.7095.49

26,40052,80079,200

105,600132,000158,400185,500212,00037,40071,800

107,700143,600179,500215,400251,300287,20048,50094,200

141,300188,400235,500282,600329,700376,80060,600

119,000178,500238,000297,500357,000416,500476,000103,600207,200310,800414,400518,000621,600725,200828,800152,100304,200456,300608,400760,500912,600

–1.4081.4081.4081.4081.4081.4081.408

–1.7891.7891.7891.7891.7891.7891.789

–1.9241.9241.9241.9241.9241.9241.924

–2.3052.3052.3052.3052.3052.3052.305

–2.8172.8172.8172.8172.8172.8172.817

–3.4583.4583.4583.4583.458

1.6783.0904.5045.9147.3268.740

10.15011.5632.1183.9055.7017.4889.280

11.06712.85814.6462.3074.2336.1658.091

10.01511.94913.87415.7992.7055.0117.3199.622

11.92914.23716.54318.8503.2996.1228.945

11.76814.59017.41420.23223.0514.0717.531

10.98414.45317.91321.370

.375

.437

.500

.562

.781

.937

1.024

1.228

1.433

1.638

2.047

2.457

1.185

1.425

1.661

1.898

2.374

2.850

.156

.187

.219

.250

.312

.375

.750

1.000

1.000

1.250

1.500

1.875

.750

.875

1.000

1.125

1.562

1.875

1.25

1.50

1.75

2.00

2.50

3.00

1234567812345678123456781234567812345678123456

RS100V

RS120V

RS140V

RS160V

RS200V

RS240V

Note: Cotter type chain (shepherd’s crook type cotter) will be supplied for all chains unless otherwise specified. Riveted type chain will be supplied upon request.

U.S. TSUBAKI


U.S. TSUBAKI SUPER CHAIN

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Super ChainProven Performance

ANSI standard roller chains are widely used in variousindustries. To meet the insistent demands of heavy industry,construction and agriculture, stronger and higher performingchains which can replace the corresponding ANSI standardchains are necessary. U.S. Tsubaki offers a line-up of Superand Ultra Super Chains which will solve your specific drivingand conveying problems relating to heavy shock load and/orspace limitations.

SUPER ROLLER CHAIN SUPER 80 ˜ 240High fatigue and tensile strength allow the selection of a chain one size smaller than wouldbe required with standard chain.

Pins constructed of “high toughness”steel give this chain exceptional abilityto absorb shock loads.

The link plate holes are ball drifted toobtain high fatigue strength.


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A-36

If you have a problem like breakage of pins due to heavy shock loads, we suggest that you use either the T Series or theHT Series.

If you have problems such as fatigue breakage of link plates, generally poor performance, or a space limitation, we suggestthat you use the Super Series, Super-H Series or Ultra Super Series. You may be able to use the next smaller size chain oreven a chain two sizes smaller.

T SeriesT Series chains have greater shock load resistance and higher ultimate tensile strength than comparable ANSI standard rollerchains. This is accomplished by using thru hardened pins. The dimensions of the chains are identical to ANSI standard roller chains.

HT SeriesHT Series chains have a greater ultimate tensile strength (plus 15-30%) than ANSI standard roller chains by using thru hardenedpins and link plates of the next larger chain size. These chains also provide greater shock load resistance. The dimensions of thechains are identical to those of the ANSI Heavy Series standard roller chains.

Super SeriesThe dimensions of Super Series Chain are identical to those of ANSI standard roller chain. Super Series Chain has a wider waistlink plate than our standard chain and special manufacturing techniques are used to produce the pitch holes. After heat treatment,the holes are then ball drifted for greater fatigue strength. The pins are thru hardened for greater shock resistance. Because of this,Super Series Chain has a Maximum Allowable Load 25-30% higher than our standard RS roller chain.

Super-H SeriesSuper-H Series Chain has the same wide waist as Super Series. The link plate thickness is identical to those of the ANSI HeavySeries roller chains. The same special manufacturing techniques used in Super Series Chain are used to produce the pitch holes.The pins are thru hardened. Because of this, Super-H Series Chain has an even higher Maximum Allowable Load than the SuperSeries.

Ultra Super SeriesU.S. Tsubaki Ultra Super Series has a greater ultimate tensile strength and allowable load than any other roller chain wemanufacture. With the Ultra Super Series, a chain up to two sizes smaller than standard can be selected.



A-37

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Chain No. P R W T H h D L1 L2 CSINGLE STRANDRS60TRS80TRS100TRS120TRS140TRS160TRS200TRS240TDOUBLE STRANDRS60T-2RS80T-2RS100T-2RS120T-2RS140T-2RS160T-2RS200T-2RS240T-2TRIPLE STRANDRS60T-3RS80T-3RS100T-3RS120T-3RS140T-3RS160T-3RS200T-3RS240T-3

.7501.0001.2501.5001.7502.0002.5003.000

.7501.0001.2501.5001.7502.0002.5003.000

.7501.0001.2501.5001.7502.0002.5003.000

.469

.625

.750

.8751.0001.1251.5621.875

.469

.625

.750

.8751.0001.1251.5621.875

.469

.625

.750

.8751.0001.1251.5621.875

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.094

.125

.156

.187

.219

.250

.312

.375

.094

.125

.156

.187

.219

.250

.312

.375

.094

.125

.156

.187

.219

.250

.312

.375

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.614

.8191.0241.2281.4331.6382.0472.457

.614

.8191.0241.2281.4331.6382.0472.457

.614

.8191.0241.2281.4331.6382.0472.457

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.506

.640

.778

.9801.0591.2541.5351.886

.9551.2171.4841.8742.0222.4072.9473.618

1.4041.7952.1912.7722.9863.5614.3605.348

.581

.758

.9001.1381.2481.4511.7642.185

1.0331.3351.6062.0312.2112.6043.1753.913

1.5021.9092.3132.9293.1793.7584.5855.636

————————

.8971.1531.4081.7891.9242.3052.8173.458

.8971.1531.4081.7891.9242.3052.8173.458

10,30017,60027,30039,70052,90068,300

105,800154,300

20,60035,20054,60079,400

105,800136,600211,600308,600

30,90052,80081,900

119,100158,700204,900317,400462,900

1,9803,3005,0706,8309,040

11,90016,09022,270

3,3605,6108,610

11,56015,36020,23027,35037,850

4,9508,250

12,67017,07022,60029,75040,22055,670

1.031.792.683.985.036.79

11.0816.46

2.043.545.277.869.97

13.4721.9332.32

3.055.307.91

11.7814.9220.1732.9448.11

Note: Riveted type chain will be provided unless otherwise specified.Cottered type chain will be provided upon request.

❈ Refer to page A-42, “Chain Drive Selection.”

❈U.S. TSUBAKI

TSUBAKI_37-56.qxd 1/14/05 8:19 AM Page 1

A -

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S

A-38

RS-HT Series



Chain No. P R W T H h D L1 L2 CSINGLE STRANDRS40HTRS50HTRS60HTRS80HTRS100HTRS120HTRS140HTRS160HTRS200HTRS240HTDOUBLE STRANDRS60HT-2RS80HT-2RS100HT-2RS120HT-2RS140HT-2RS160HT-2RS200HT-2RS240HT-2TRIPLE STRANDRS60HT-3RS80HT-3RS100HT-3RS120HT-3RS140HT-3RS160HT-3RS200HT-3RS240HT-3

.500

.625

.7501.0001.2501.5001.7502.0002.5003.000

.7501.0001.2501.5001.7502.0002.5003.000

.7501.0001.2501.5001.7502.0002.5003.000

.312

.400

.469

.625

.750

.8751.0001.1251.5621.875

.469

.625

.750

.8751.0001.1251.5621.575

.469

.625

.750

.8751.0001.1251.5621.875

.312

.375

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.500

.625

.7501.0001.0001.2501.5001.875

.080

.094

.125

.156

.187

.219

.250

.281

.375

.500

.125

.156

.187

.219

.250

.281

.375

.500

.125

.156

.187

.219

.250

.281

.375

.500

.472

.591

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.713

.9491.1851.4251.6611.8982.3742.850

.409

.512

.614

.8191.0241.2281.4331.6382.0472.457

.614

.8191.0241.2281.4331.6352.0472.457

.614

.8191.0241.2281.4331.6352.0472.457

.156

.200

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.234

.312

.375

.437

.500

.562

.781

.937

.375

.437

.582

.720

.8581.0611.1381.3371.6892.157

1.0831.3581.6302.0142.1632.5553.2304.146

1.6141.9982.4002.9843.1913.7564.7606.104

.433

.504

.669

.823

.9651.2031.3031.5141.8942.453

1.1811.4921.7362.1712.3432.7363.4374.461

1.7202.1202.5103.1343.3703.9614.9696.423

——————————

1.0281.2831.5391.9252.0552.4373.0833.984

1.0281.2531.5391.9242.0552.4373.0833.985

5,2908,260

12,50020,90031,90043,00056,20071,600

125,600198,400

25,10041,80063,90086,000

112,400143,000251,300396,800

37,70062,80095,900

129,000168,600214,900377,000595,200

1,1701,8702,2003,6305,5107,2709,590

12,50017,60025,300

3,7006,1009,300

12,30016,30021,20029,90043,000

5,5009,000

13,70018,10023,90031,20044,00063,200

.53

.791.212.083.074.385.547.35

12.3319.57

2.414.156.068.65

10.9814.6124.4638.46

3.606.209.08

12.9616.4621.8836.7357.32

❈

Note: Riveted type chain will be provided unless otherwise specified.Cottered type chain will be provided upon request.

❈ Refer to page A-42, “Chain Drive Selection.”

U.S. TSUBAKI



A-39

A -

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CH

AIN

S Super Series



Chain No. P R W T H h D L1 L2 CSINGLE STRANDSUPER80SUPER100SUPER120SUPER140SUPER160SUPER200SUPER240DOUBLE STRANDSUPER80-2SUPER100-2SUPER120-2SUPER140-2SUPER160-2SUPER200-2SUPER240-2TRIPLE STRANDSUPER80-3SUPER100-3SUPER120-3SUPER140-3SUPER160-3SUPER200-3SUPER240-3

1.0001.2501.5001.7502.0002.5003.000

1.0001.2501.5001.7502.0002.5003.000

1.0001.2501.5001.7502.0002.5003.000

.625

.750

.8751.0001.1251.5621.875

.625

.750

.8751.0001.1251.5621.875

.625

.750

.8751.0001.1251.5621.875

.625

.7501.0001.0001.2501.5001.875

.625

.7501.0001.0001.2501.5001.875

.625

.7501.0001.0001.2501.5001.875

.125

.156

.187

.219

.250

.312

.375

.125

.156

.187

.219

.250

.312

.375

.125

.156

.187

.219

.250

.312

.375

.9491.1851.4251.6611.8982.3742.850

.9491.1851.4251.6611.8982.3742.850

.9491.1851.4251.6611.8982.3742.850

.8191.0241.2281.4331.6382.0472.457

.8191.0241.2281.4331.6382.0472.457

.8191.0241.2281.4331.6382.0472.457

.312

.375

.437

.500

.562

.781

.937

.312

.375

.437

.500

.562

.781

.937

.312

.375

.437

.500

.562

.781

.937

.640

.778

.9801.0591.2541.5351.886

1.2171.4841.8742.0222.4072.9473.618

1.7952.1912.7722.9863.5614.3605.348

.758

.9001.1381.2481.4511.7642.185

1.3351.6062.0312.2112.6043.1753.913

1.9092.3132.9293.1793.7584.5855.636

———————

1.1531.4081.7891.9242.3052.8173.458

1.1531.4081.7891.9242.3052.8173.458

19,10028,60041,80055,10070,500

113,500165,300

38,30057,30083,700

110,200141,000227,000330,700

57,50085,900

125,600165,300211,600340,600496,000

4,1806,8308,810

12.10015,80021,10029,700

7,10011,61014,99020,61026,98035,98050,590

10,47017,08022,04030,31039,68052,91074,400

1.892.864.235.407.25

11.8517.22

3.785.638.36

10.7014.4023.4634.19

5.648.45

12.5316.0221.5735.2451.14

Note: 1. Offset links are not available.2. Riveted type chain will be provided unless otherwise specified.3. Press-fit connecting links will be supplied.4. Carbon steel sprockets with hardened teeth should be used

with Super Series chain.5. Refer to page A-42, “Chain Drive Selection.”❈

❈U.S. TSUBAKI


A -

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CH

AIN

S

A-40

Super-H Series



Chain No. P R W T H h D L1 L2 CSINGLE STRANDSUPER80HSUPER100HSUPER120HSUPER140HSUPER160HSUPER200HSUPER240HDOUBLE STRANDSUPER80H-2SUPER100H-2SUPER120H-2SUPER140H-2SUPER160H-2SUPER200H-2SUPER240H-2TRIPLE STRANDSUPER80H-3SUPER100H-3SUPER120H-3SUPER140H-3SUPER160H-3SUPER200H-3SUPER240H-3

1.0001.2501.5001.7502.0002.5003.000

1.0001.2501.5001.7502.0002.5003.000

1.0001.2501.5001.7502.0002.5003.000

.625

.750

.8751.0001.1251.5621.875

.625

.750

.8751.0001.1251.5621.875

.625

.750

.8751.0001.1251.5621.875

.625

.7501.0001.0001.2501.5001.875

.625

.7501.0001.0001.2501.5001.875

.625

.7501.0001.0001.2501.5001.875

.156

.187

.219

.250

.281

.375

.500

.156

.187

.219

.250

.281

.375

.500

.156

.187

.219

.250

.281

.375

.500

.9491.1851.4251.6611.8982.3742.850

.9491.1851.4251.6611.8982.3742.850

.9491.1851.4251.6611.8982.3742.850

.8191.0241.2281.4331.6382.0472.457

.8191.0241.2281.4331.6382.0472.457

.8191.0241.2281.4331.6382.0472.457

.312

.375

.437

.500

.562

.781

.937

.312

.375

.437

.500

.562

.781

.937

.312

.375

.437

.500

.562

.781

.937

.720

.8581.0611.1381.3371.6892.157

1.3581.6302.0142.1632.5553.2304.146

1.9982.4002.9543.1913.7564.7616.105

.823

.9651.2031.3031.5141.8942.453

1.4921.7362.1712.3432.7363.4374.461

2.1202.5103.1343.3703.9614.9686.424

———————

1.2831.5391.9242.0552.4373.0833.985

1.2831.5391.9252.0552.4373.0833.985

22,00032,60044,00057,30072,700

134,400207,200

44,00065,20088,100

114,600145,500268,900414,400

66,10097,800

132,200171,900218,200403,400621,700

4,6307,2709,480

12,78016,50022,50031,300

7,87012,36016,11021,73028,10038,22053,220

11,57018,18023,70031,96041,33056,21078,260

2.213.284.665.977.88

13.2220.47

4.386.399.08

11.6815.4425.8640.16

6.559.50

13.5017.3922.9938.5059.87

Note: 1. Offset links are not available.2. Riveted type chain will be provided unless otherwise specified.

Cottered type chain will be provided upon request.3. Press-fit connecting links will be supplied.4. Carbon steel sprockets with hardened teeth should be used

with Super-H Series chain.5. Refer to page A-42, “Chain Drive Selection.”❈

❈U.S. TSUBAKI



A-41

A -

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CH

AIN

S Ultra Super SeriesU.S. Tsubaki Ultra Super chains have superior strength, excellent durability, greater allowable load, higher breaking load, and arestronger than any other roller chain we manufacture. With 170% higher allowable load than that of ANSI RS standard chains, you canselect up to two chain sizes smaller. U.S. Tsubaki Ultra Super chains will solve your specific driving and conveying problems relating toheavy shock load and/or space limitation.

Pitch Roller Width Average Maximum Approx.Dia. Between Tensile Allowable Weight

Roller Link Link Plates Pins Strength Load lbs./ft.Plates lbs. lbs.

Chain No. P R W T H D L1 L2

US100US120US140US160US200US240

1.2501.5001.7502.0002.5003.000

.750

.8751.0001.1251.5621.875

.7501.0001.0001.2501.5001.875

.187

.219

.250

.281

.375

.500

1.1851.4251.6611.8982.3742.850

.406

.483

.550

.615

.804

.959

.8801.0851.1611.3581.6912.157

.9981.2421.3461.5832.0062.555

38,50055,10070,50088,000

149,600220,000

8,80012,10014,30019,14024,20033,900

3.404.846.208.17

13.7321.25

❈

Note: 1. RS standard sprockets can be used if the sprocket teeth have been hardened and the sprocket is not of the cast iron type.2. Chain should be lubricated using:

a) drip method b) oil bath c) lubrication pump3. Offset links are not available.4. Riveted type chains will be supplied unless otherwise specified.5. Chains cannot be coupled with RS standard chains.6. Refer to page A-42, “Chain Drive Selection.”❈

RS ROLLER CHAIN

ULTRASUPERCHAIN

U.S. TSUBAKI


A -

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CH

AIN

S

A-42


Chain Drive SelectionGenerally, Super Series chains aresuggested when the chain speed is lessthan 160 ft./min. and where the RS rollerchain or the ANSI Heavy Series are notstrong enough to meet the applicationrequirements.1)Tentatively select the chain and

sprocket with the same size andnumber of teeth as used in “Selectionfor Slow Speed” on page A-23.

2)Calculate the chain speed from thenumber of teeth of the driving sprocketusing equation (A) and check whetherthe speed is less than 160 ft./min.

3)Calculate the chain tension necessaryfor the above drive from equation (B).

4)Select the service factor and the chainspeed coefficient from Tables I and II.

5)Select the suitable chain and verify thatthe chain satisfies equation (C).

S= (ft./min.) . . . . . . . .. .(A)

T= (lbs.) . . . . . . . .. .(B)

T • Service Factor • Chain SpeedCoefficient ≤ Maximum AllowableLoad . . . . . . . . . . . . . . . . . . . . . (C)

S: chain speed (ft./min.)P: chain pitch (inch)N: number of teeth of driving sprocketn: RPM of driving sprocketT: chain tension (lbs.)HP: horsepower to be transmitted (HP)

P • N • n12

33,000 • HPS

Type of Impact Service Factor

Smooth 1.0

Some impact 1.3

Large impact 1.5


Chain Speed Speed Coefficient

Less than 50 ft./min. 1.0

50 ~ 100 ft./min. 1.2

100 ~ 160 ft./min. 1.4

Table II: Chain Speed Coefficient

For details, refer to Table I on page A-22.

The following three lubricating systems are suggested:

System A

System B

System C

Manual lubricationThe oil is applied with an oil can or brushin the gap between the pin and roller linkon the slack side of the chain. It shouldbe applied about every eight hours or asoften as necessary to prevent thebearing areas from becoming dry.Suitable chain speed is to be below 50ft./min.

Drip lubricationA simple casing can be used. The oil issupplied by a drip feed. Each strand ofchain should ordinarily receive 5 to 20drops of oil per minute. The amount isincreased as the speed increases.Suitable chain speed is from 50 to 100ft./min.

Oil bath lubricationThe chain is installed in a leak-freecasing. The oil depth of “h” should be 1/4to 1/2 inch deep. If the oil is too deep, itwill be adversely affected by the heatgenerated. Suitable chain speed is from100 to 160 ft./min.


U.S. TSUBAKI MINIATURE CHAIN

A-43

A -

DR

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CH

AIN

S

Ultra Miniature ChainMaximum Allowable Load Average Tensile Strength

180 lbs.

140 lbs.

70 lbs.

11 lbs.

1,170 lbs.

1,050 lbs.

510 lbs.

175 lbs.

BF25H

RS25

RS15

RS11-SS

Ultra Miniature chain from U.S. Tsubaki is specially designed for applications with extremely limited space.Manufactured to the most exacting specifications, Ultra Miniature chain is perfect for applications requiring quiet,compact, lightweight chain with minimal polygonal action.

U.S. Tsubaki Ultra Miniature chain provides superior performance in a variety of demanding applications such ascommunications equipment, business machines, medical equipment, photographic equipment, and other electro-mechanical devices. U.S. Tsubaki Ultra Miniature chain is available in four styles to meet the needs of the most challenging small-scale chain applications.


A -

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CH

AIN

S

A-44

Chain SelectionFor smooth low-speed power transmission at speeds less than160 ft./min., use the formula below to select optimum chain size.

Chain Speed Coefficient Table


X X ≤

Type of ServiceImpact Factor

Smooth

Some impact

1.0

1.3

Chain Speed

0 ~ 50 ft./min.

50 ~ 100 ft./min.

100 ~ 160 ft./min.

Chain Speed Coefficient

1.0

1.2

1.4

Max. load(lbs.) on chain

Servicefactor

Chain speedcoefficient

Max. allowable load(lbs.) on chain


U.S. TSUBAKI MINIATURE CHAIN

A-45

A -

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CH

AIN

S RS11SS

RS15

U.S. Tsubaki Miniature chain RS11SS is made of 304 stainless steelthroughout. This provides superior corrosion resistance and hightemperature resistance. The chain is specially designed for usewhere space is extremely limited, such as in communicationsequipment, business machines and electro-mechanical devices.

U.S. Tsubaki RS15 bushed chain is between RS25 and RS11SS insize and is economical for compact applications.• Strong and precise, this chain is based on RS roller chain

production technology.• Lightweight and compact, it is only half the weight of RS25 which

is the smallest ANSI roller chain.• All parts are heat-treated for better strength and wear resistance.• Suitable for industrial data equipment, business machines,

electric and electronic equipment, medical instruments,photographic equipment and other devices.

Pitch Bushing Width Average Maximum Approx. NumberDiameter Between Link Plate Pin Tensile Allowable Weight of Links

Inner Link Strength Load lbs./ft. per 10 ft.Plates lbs. lbs.

Chain No. P B W T H D L1 L2 L1+L2

RS11SS .1475 .090 .072 .015 .138 .062 .090 .125 .214 175 11 .035 814

Note: No offset links available.❈ Refer to page A-44, “Chain Selection.”

❈

Pitch Bushing Width Average Maximum Approx. NumberDiameter Between Link Plate Pin Tensile Allowable Weight of Links

Inner Link Strength Load lbs./ft. per 10 ft.Plates lbs. lbs.

Chain No. P B W T H D L1 L2 L1+L2

RS15 .1875 .098 .094 .024 .169 .064 .120 .152 .272 510 70 .05 640

❈

Note: No offset links available.❈ Refer to page A-44, “Chain Selection.”

U.S. TSUBAKI

U.S. TSUBAKI


A -

DR

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CH

AIN

S

A-46

RS25 • BF25H

RS25/BF25H

U.S. Tsubaki RS25 bushed chain is the smallestANSI roller chain. It is ideal for power transmissionin business machines, electro-optical equipment,and precision and general industrial machines whererelatively large space is allowed for miniature drives.

U.S. Tsubaki BF25H bushed chain works withstandard sprockets. It is a flat side-bar chain, and itsinner link plates are thicker than RS25.

These chains can accommodate a large allowableload and are widely used for driving motorcycle camshafts and power transmission machinery in general.

Number Transverse Type Minimum Average Maximum Approx. Numberof Pin Pitch of Ultimate Tensile Allowable Weight of

Strands Pin Strength Strength Load lbs./ft. LinksANSI lbs. lbs. per

Standard 100 ft.Chain No. L1+L2 L1 L2 C lbs.

RS25 1 .339 .150 .189 — Riveted 780 1,050 140 .09 480RS25-2 2 .591 .276 .315 .252 Riveted 1,560 2,100 240 .18 480BF25H 1 .362 .161 .201 — Riveted — 1,320 170 .11 480

ANSI No. Pitch Bushing Width Link Plate PinDiameter Between Diameter

Inner LinkPlates

Chain No. P B W T t H h D

RS25 25 .250 .130 .125 .030 — .230 .199 .0905BF25H — .250 .130 .125 .039 .030 .230 — .0905

Note: Only two-pitch offset links are available for RS25 and RS25-2.No offset links are available for BF25H.Refer to page A-44, “Chain Selection.”❈

❈

U.S. TSUBAKI

U.S. TSUBAKI


U.S. TSUBAKI BS/DIN ROLLER CHAIN

A-47

A -

DR

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CH

AIN

S

BS/DIN Roller Chain

These chains are manufactured to International Standards Organization metric dimensions (ISO 606), British Standard (BS 228), and DIN 8187.

They are available in a variety of sizes and types from U.S. Tsubaki and are ideal for use as replacement chains on imported equipment or new machinery manufactured for export.

British Standard chains are manufactured with the same quality materials used in our ANSI standard chains.

U.S. Tsubaki British Standard chains are available in stainless steel, nickel-plated, ULTRA WP®, and LAMBDA®.

Pin Link Roller Link Connecting Link One Pitch Offset Link Two Pitch Offset Link

Riveted typeStandard for all sizesof roller chains.

Available for all sizes ofrollerchains.

Spring clip type.Standard for 3/8” to1” pitch chains.

Cotter pin type.For 1-1/4” to2-1/2” pitch chains.

Slip-fit type.The use of offset linksshould be avoidedwhenever possible.

Press-fit and riveted type.Not available for chain sizes ofRS20B and over.


A -

DR

IVE

CH

AIN

S

A-48

ISO Pitch Roller Width Pin Link Plate Transverse Average Bearing Approx. NumberBS/DIN Dia. Between Pitch Tensile Area Weight of Links

No. Roller Link Strength (Nominal) lbs./ft. perPlates lbs. inch2 10 ft.

Chain No. P R W D L1 L2 T t H CSINGLE STRANDRF06BRS08BRS10BRS12BRS16BRS20BRS24BRS28BRS32BRS40BDOUBLE STRANDRF06B-2RS08B-2RS10B-2RS12B-2RS16B-2RS20B-2RS24B-2RS28B-2RS32B-2RS40B-2TRIPLE STRANDRS08B-3RS10B-3RS12B-3RS16B-3RS20B-3RS24B-3RS28B-3RS32B-3RS40B-3

3202401921601209680686048

3202401921601209680686048

2401921601209680686048

.26

.47

.64

.841.822.595.016.356.89

10.99

.50

.901.241.683.625.149.84

12.6313.5121.50

1.341.882.555.367.70

14.6218.9520.1032.09

.040

.078

.104

.138

.326

.457

.8591.1471.2571.978

.090

.156

.208

.276

.652

.9161.7192.2962.5163.957

.234

.312

.414

.9781.3742.5803.4433.7745.935

2,3104,4105,8407,500

16,50024,30041,90048,50063,10088,200

4,0807,600

11,70015,00031,50046,10079,80092,400

119,900169,300

10,90017,50022,50047,00069,200

119,500138,500180,100255,300

——————————

.403

.548

.653

.7661.2551.4351.9042.3452.3052.846

.548

.653

.7661.2551.4351.9042.3452.3052.846

.323

.465

.579

.634

.8271.0241.3151.4331.6612.083

.323

.465

.579

.634

.8271.0241.3151.4331.6612.083

.465

.579

.634

.8271.0241.3151.4331.6612.083

.040

.060

.060

.070

.125

.138

.204

.248

.248

.315

.040

.060

.060

.070

.125

.138

.204

.248

.248

.315

.060

.060

.070

.125

.138

.204

.248

.248

.315

.050

.060

.060

.070

.156

.177

.236

.295

.276

.335

.050

.060

.060

.070

.157

.177

.236

.295

.276

.335

.060

.060

.070

.156

.177

.236

.295

.276

.335

.296

.395

.449

.520

.783

.9121.2381.4741.4841.774

.506

.669

.773

.9011.4131.6312.1912.6462.6363.197

.9431.1001.2832.0412.3493.1423.8203.7894.621

.255

.329

.370

.433

.705

.7911.0511.2781.2641.545

.451

.603

.699

.8191.3351.5092.0042.4502.4172.970

.8761.0261.2051.9632.2262.9563.6233.5694.393

.129

.175

.200

.225

.326

.401

.576

.626

.701

.901

.129

.175

.200

.225

.326

.401

.576

.626

.701

.901

.175

.200

.225

.326

.401

.576

.626

.701

.901

.225

.305

.380

.460

.670

.7701.0001.2201.2201.500

.225

.305

.380

.460

.670

.7701.0001.2201.2201.500

.305

.380

.460

.670

.7701.0001.2201.2201.500

.250

.335

.400

.475

.625

.7501.0001.1001.1501.550

.250

.335

.400

.475

.625

.7501.0001.1001.1501.550

.335

.400

.475

.625

.7501.0001.1001.1501.550

.375

.500

.625

.7501.0001.2501.5001.7502.0002.500

.375

.500

.625

.7501.0001.2501.5001.7502.0002.500

.500

.625

.7501.0001.2501.5001.7502.0002.500

06B08B10B12B16B20B24B28B32B40B

06B-208B-210B-212B-216B-220B-224B-228B-232B-240B-2

08B-310B-312B-316B-320B-324B-328B-332B-340B-3

Note: Flat shape link plate

Middle link plate has one solid plate.

Riveted type chain will be supplied unless otherwise specified.

Stainless steel is available.

Refer to Section “B” for BS/DIN attachment specifications.

BS/DIN Chain Series

◆

◆

◆

◆

�

�

�

U.S.TSUBAKI



A-49

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V

®

Link Plates

Pitch Roller Width Between PLP RLP RLP PLPChain No. P Diameter R Roller Link Plates W Thickness T1 Thickness T2 Height H Height h

Pin Avg. TensileStrength Approx. Weight

Chain No. D L1 L2 L lbs. lbs./ft.

RSD08B-LAMBDA .156 .346 .411 .787 4,230 .47RSD10B-LAMBDA .200 .406 .472 .886 6,080 .70RSD12B-LAMBDA .234 .486 .565 1.138 9,060 1.01

RSD08B-LAMBDA .500 .335 .305 .060 .080 .472 .409RSD10B-LAMBDA .625 .400 .380 .080 .080 .591 .512RSD12B-LAMBDA .750 .475 .460 .094 .094 .713 .614

®

Note: Although some dimensions differ from British Standard (DIN), the primary dimensions are identical, enabling BS LAMBDA® to engage perfectlywith British Standard sprockets.

Dimensions – Inches

U.S. TSUBAKI

U.S. TSUBAKI


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A-50

BS/DIN Stainless Steel

ISO Pitch Roller Width Pin Link Plate Average Bearing Approx.BS/DIN Diameter Between Height Tensile Area Weight

No. Roller Link (max.) Strength (Nominal) lbs./ft.Plates lbs. inch2

Chain No. P R W D L1 L2 T t H

RF06BSS 06B .375 .250 .225 .129 .255 .296 .050 .040 .323 1,430 .040 .26RS08BSS 08B .500 .335 .305 .175 .329 .395 .060 .060 .465 2,200 .078 .47RS10BSS 10B .625 .400 .380 .200 .370 .449 .060 .060 .579 3,190 .104 .64RS12BSS 12B .750 .475 .460 .225 .433 .520 .070 .070 .634 3,740 .138 .84RS16BSS 16B 1.000 .625 .670 .326 .705 .783 .156 .125 .827 10,560 .326 1.82

�

Note: Flat shape link plate

Stainless steel roller chains with over 1.00 inch plate are also available upon request.

Duplex and triplex are also available.

�

U.S. TSUBAKI



A-51


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SELECTION PROCEDURE

1) The following factors must beconsidered when selecting rollerchains for transmission needs.• The power to be transmitted.• The speed and the diameters of the

driving shaft and the driven shaft.• The distance between the centers of

the shafts.

2) Use Table I to obtain the servicefactor. (The “Service Factor” tablerefers to the type of machine andsource of power.)

3) Multiply the HP value by the servicefactor to obtain the design HP value.

4) Use Table III page A-52 to obtain theappropriate chain number and thenumber of teeth for the small sprocketby referring to the number ofrevolutions of the high speed shaft(the driving shaft when the speed isreduced; the driven shaft when thespeed is increased) and the designHP value. For a smoother chain drive,a smaller pitch chain is suggested. If asingle strand chain does not satisfythe transmission requirements, use amulti-strand chain. If the distancebetween the shafts and the diameterof the sprockets must be relativelysmall due to space considerations, amultiple strand roller chain with asmaller pitch may be used.

5) After determining the number of teethfor the small sprockets, confirm if thesprocket will meet the shaft diameterrequirements.

6) The number of teeth for the largesprocket is determined by multiplyingthe number of teeth for the smallsprocket by the speed ratio. While it ispreferable that the number of teeth forthe small sprocket be greater than 15,it is suggested that the number ofteeth for the large sprocket not exceed120. By reducing the number of teethfor the small sprocket, the number ofteeth for the large sprocket can alsobe reduced.

Table II: Multiple-Strand Factor

Number of Pitches of Chain

N2–N1

N1+N2 6.282 C

Any fraction of L is counted as one pitch.

Center Distance in Pitches

18

+ (2L–N1–N2)2 – (N2–N1)2

L: Number of pitches of chainN1: Number of teeth (small sprocket)N2: Number of teeth (large sprocket)C: Center distance in pitches

Chain Speed

S= (ft./min.)

S: Chain speed (ft./min.)P: Chain pitch (inch)N: Number of teeth of sprocketn: rpm of the sprocket

Chain Tension from HP

T= (lbs.)

T: Chain tension (lbs.)

Number of RollerChain Strand

Double Strand

Triple Strand

Multiple-StrandFactor

1.7

2.5

L= +2C+

C= 2L–N1–N2

( ) 2

{

}89.86

√

P • N • n12

33,000 • HPS


Type of Impact Machines

Source of PowerInternal Combustion Engine

With hydraulicdrive

ElectricMotor orTurbine

Without hydraulicdrive

1.0

1.3

1.5

1.0

1.2

1.4

1.2

1.4

1.7

SmoothBelt conveyors with small load fluctuation, chain conveyors,centrifugal blowers, general textile machines, machines with small load fluctuation.

Centrifugal compressors, marine engines, conveyors with some loadfluctuation, automatic furnaces, dryers, pulverizers, general machinetools, compressors, general work machines, general paper mills.

Presses, construction or mining machines, vibration machines, oil wellrigs, rubber mixers, general machines with reverse or impact load.

Some impact

Large impact


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A-52

The selection table is based on the followingconditions:1) The chains are operated under ordinary

conditions. The ambient temperaturerange is between 15°F and 140°F. Theyare not to be used in an atmospherewhere abrasive dust or corrosive gas ispresent or when the humidity isexceptionally high.

2) The two transmission shafts are in ahorizontal position and the chains areproperly installed.

3) The suggested lubrication system shownon Table IV is used.

4) The load does not change significantlyduring transmission.The “Service Factors” given in Table I areused when the chains are used undervarious operating conditions. The loadconditions will affect the life of the chain.The increase in the horsepower rating ofmultiple-strand roller chains cannot becalculated simply by multiplying thehorsepower rating of one strand by thetotal number of strands, since the load oneach strand is not exactly the same. Inorder to estimate the service life of amultiple-strand chain, the “Multiple-StrandFactor” given in Table II must be used.

Note: Refer to page A-77 for details of lubrication system.

Table III: BS Roller Chain Selection Table

N2 - N1( )

( )

2

251 - 17

Example

Data:1. Type of application: Centrifugal Blowers2. Source of power: Electric Motor3. HP to be transmitted: 40 hp4. Driving shaft: 600 rpm5. Driven shaft: 200 rpm6. Center distance: 19 inches7. Space limit: Max. 24 inches

Step 1 Use Table I and determine theservice factor.Service factor (SF): 1.0Step 2 Obtain design HPDesign HP= HP to be transmitted • SF

= 40 hp • 1.0= 40 hp

Step 3 Obtain the chain size and thenumber of teeth of the small sprocket fromthe selection table for 40 hp and 600 rpm.

According to the selection table, the selectedchain and sprocket rpms are:(a) RS12B-3 chain and 25-tooth sprocket(b) RS16B-2 chain and 17-tooth sprocket(c) RS16B-1 chain and 25-tooth sprocket

* For (a), the necessary number of teeth forboth small and large sprockets are 25 teethand 75 teeth respectively, since the speedratio is 1/3 (200/600 rpm). But the outsidediameter of both sprockets, 6.3 inches for 25teeth and 18.3 inches for 75 teeth, exceedsthe limitation (6.3 inches + 18.3 inches > 24inches). Therefore, these sprockets cannot beinstalled.

* For (c), the necessary number of teeth forboth small and large sprockets are 25 teeth(outside dia. 8.4 inches) and 75 teeth (outsidedia. 24.4 inches), respectively. It exceeds thespace limitation again (8.4 inches + 24.4inches > 24 inches).

* For (b), the necessary number of teeth forboth the small and large sprockets are 17(outside dia: 5.9 inches) and 51 (outside dia:16.8 inches). It satisfies the space limitation(5.9 inches + 16.8 inches < 24 inches). Acombination of RS16B-2, and 17 teeth and51 teeth must be used to fulfill all thenecessary requirements.

Step 4 Use Table IV to determine thelubrication method.

Chain speed (S) = P • N • n12

= 1 • 600 • 17 = 850 ft./min.12

System B is suggested.

Step 5 Obtain the number of pitches ofchain (L).

= N1 + N2 + 2C + 6.282 C

= 17 + 51 + 2 • 19 + 6.282 1 19

1= 73.35 74 links


U.S. TSUBAKI ANTI-CORROSIVE / HEAT RESISTANT CHAIN

A-53

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Anti-CorrosiveHeat ResistantChainULTRA WP® CHAINULTRA WP chain resists corrosion when exposed to harsh outdoor environments, including seawater. The exclusive ULTRA WPsurface treatment process gives the chain its unique matte grey color and provides a protective finish that is more corrosion resistantthan Nickel-Plated chains. ULTRA WP chain has the same high maximum allowable load as our standard carbon steel roller chain.

NICKEL-PLATED CHAINNickel-Plated chains provide acceptable performance where equipment must operate in mildly corrosive environments.

600 AS SERIESAS Series chains are an excellent choice for drives requiring both corrosion resistance and high load capacity. Link plates are madeof 304 stainless steel and the round parts are made of hardened 600 series stainless steel. Of all the stainless steel chains offered byU.S. Tsubaki, AS Series has the highest load capacity. Use where stainless steel is required by FDA regulations.

304 SS SERIESSS Series chains are made completely of 304 stainless steel. SS Series has an excellent resistance to corrosion & temperatureextremes. It is generally considered non-magnetic, although some permeability can be found in these chains. This is caused by thecold working of the components during the manufacturing process. If more complete non-magnetic permeability is required, wesuggest our NS Series.

316 NS SERIESNS Series chains are made completely of 316 stainless steel. It is the most corrosion resistant standard stainless steel chain offeredby U.S. Tsubaki. It also has the highest resistance to temperature extremes, and is sometimes referred to as our non-magnetic seriesbecause of its extremely low magnetic permeability. The load capacity of 316 NS Series is equal to that of our 304 SS Series.

LS SERIES CHAINLS chain features stainless steel construction plus an engineered plastic sleeve between the pin and the bushing to make the chainself-lubricating. It is ideal when lubrication is difficult or impossible or in operations that require frequent washdowns. LS chain offersthe corrosion resistance of stainless steel in a lube-free chain that will operate well even under water, especially when used incombination with an engineered plastic roller.

POLY-STEEL CHAINPoly-Steel chain is made of molded engineered plastic with 304 stainless steel pin links. This combination effectively incorporates theadvantages of both materials into one chain. Poly-Steel chain from U.S. Tsubaki has superior wear life, excellent corrosion resistance,and requires no lubrication. This design provides a quiet, lightweight chain for economical solutions to difficult application problems.

TITANIUM TI SERIESTI Series chains are made completely of Titanium. Available in sizes RS35TI - RS60TI, TI Series brings the unique properties ofTitanium to roller chain applications, specifically extreme corrosion resistance in a lightweight chain. Available on a made-to-orderbasis in the same dimensions as the 304 SS Series. Call U.S. Tsubaki for further details.


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ULTRA WP Chain®

Pitch Width Roller Link Plate Pin Average Max. Approx.Between Diameter Tensile Allowable Weight


Chain Size P W R T H h L1 L2 D

RS40WPRS50WPRS60WPRS80WPRS100WP

8101,4301,9803,3005,070

4,2907,0509,920

17,64026,460

.43

.701.031.792.68

.156

.200

.234

.312

.375

.392

.472

.581

.758

.900

.325

.406

.506

.640

.778

.409

.512

.614

.8191.024

.472

.591

.713

.9491.185

.060

.080

.094

.125

.156

.312

.400

.469

.625

.750

.312

.375

.500

.625

.750

.500

.625

.7501.0001.250

Drive Chain

Double Pitch Conveyor ChainPitch Width Roller Pin Plate Average Max. Approx.

Between Diameter Tensile Allowable WeightRoller Link Strength Load lbs./ft.

Plates lbs. lbs.

Chain Size P W R L1 L2 D H T

C2040WPC2050WPC2060HWPC2080HWPC2042WPC2052WPC2062HWPC2082HWP

1.0001.2501.5002.0001.0001.2501.5002.000

.312

.375

.500

.625

.312

.375

.500

.625

.312

.400

.469

.625

.625

.750

.8751.125

.325

.406

.575

.720

.325

.406

.575

.720

.380

.469

.646

.823

.380

.469

.646

.823

.156

.200

.234

.312

.156

.200

.234

.312

.472

.591

.677

.906

.472

.591

.677

.906

.060

.080

.125

.156

.060

.080

.125

.156

.34

.561.011.78.58.87

1.472.47

3,7406,1709,040

15,4303,7406,1709,040

15,430

590970

1,4102,400

590970

1,4102,400

Note: RS40WP ~ RS60WP are provided with clip type connecting links. RS80WP & RS100WP are cottered type. All other links are riveted.

Note: C2040WP ~ C2060HWP and C2042WP ~ C2062HWP are provided with clip type connecting links. C2080HWP & C2082HWP are cottered type. All other links are riveted.

Standard Roller Type Oversize Roller Type

U.S.TSUBAKI

U.S. TSUBAKI



A-55

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Pitch Roller Width Pin Link Plate Transverse Average Maximum Approx.Diameter Between Pitch Tensile Allowable Weight


Chain No. P R W D L1 L2 T H h CSINGLE STRANDRS25NPRS35NPRS41NPRS40NPRS50NPRS60NPRS80NPRS100NPRS120NPDOUBLE STRANDRS35NP-2RS40NP-2RS50NP-2RS60NP-2RS80NP-2RS100NP-2RS120NP-2

.250

.375

.500

.500

.625

.7501.0001.2501.500

.375

.500

.625

.7501.0001.2501.500

.130

.200

.306

.312

.400

.469

.625

.750

.875

.200

.312

.400

.469

.625

.750

.875

.125

.188

.251

.312

.375

.500

.625

.7501.000

.188

.312

.375

.500

.625

.7501.000

.0905

.141

.141

.156

.200

.234

.312

.375

.437

.141

.156

.200

.234

.312

.375

.437

.150

.230

.266

.325

.406

.506

.640

.778

.980

.439

.608

.762

.9551.2171.4841.874

.189

.270

.312

.392

.472

.581

.758

.9001.138

.469

.675

.8331.0531.3351.6062.031

.030

.050

.050

.060

.080

.094

.125

.156

.187

.050

.060

.080

.094

.125

.156

.187

.230

.354

.382

.472

.591

.713

.9491.1851.425

.354

.472

.591

.713

.9491.1851.425

.199

.307

.331

.409

.512

.614

.8191.0241.228

.307

.409

.512

.614

.8191.0241.228

—————————

.399

.566

.713

.8971.1531.4081.789

1,0502,5002,6004,2507,0509,900

16,50025,50035,000

5,0008,500

14,10019,80032,50051,00070,000

140350370660

1,1401,6302,9004,1005,200

5901,1201,9402,8004,9007,0008,900

.094

.220

.270

.430

.7001.0301.7902.6803.980

.460

.8501.3902.0403.5405.2707.860

��

��

1. RS ROLLER CHAIN

2. BRITISH STANDARD CHAIN

Note: Rollerless (bushing only) Riveted onlyDouble strand nickel-plated chains are also available.Attachment chain is available. Refer to Section “B” for dimensions.

�

Note: Flat shape link plateDouble strand nickel-plated chains are also available.

�

ISO Pitch Roller Width Pin Link Plate Average Bearing Approx.BS/DIN Diameter Between Height Tensile Area Weight

No. Roller Link (Max.) Strength (Nominal) lbs./ft.Plates lbs. inch2

Chain No. P R W D L1 L2 HRF06BNP 06B .375 .250 .225 .129 .255 .296 .323 2,310 .040 .26RS08BNP 08B .500 .335 .305 .175 .329 .395 .465 4,410 .078 .47RS10BNP 10B .625 .400 .380 .200 .370 .449 .579 5,840 .104 .64RS12BNP 12B .750 .475 .460 .225 .433 .520 .634 7,500 .138 .84RS16BNP 16B 1.000 .625 .670 .326 .705 .783 .827 16,500 .326 1.82RS20BNP 20B 1.250 .750 .770 .401 .791 .912 1.024 24,300 .457 2.59RS24BNP 24B 1.500 1.000 1.000 .576 1.051 1.238 1.315 41,900 .859 5.01RS28BNP 28B 1.750 1.100 1.220 .626 1.278 1.474 1.433 48,500 1.147 6.35RS32BNP 32B 2.000 1.150 1.220 .701 1.264 1.484 1.661 63,100 1.257 6.89RS40BNP 40B 2.500 1.550 1.500 .901 1.545 1.774 2.083 88,200 1.978 10.99

�

�

U.S. TSUBAKI

U.S. TSUBAKI


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A-56

Pitch Roller Width Pin Link Plate Average Approx. No. ofDiameter Between Tensile Weight Links

Roller Link Strength lbs./ft. perPlates lbs. 10 ft.

Chain No. P R W D L1 L2 T H

3. DOUBLE PITCH CHAIN

RS Double Pitch Drive Chain

Double Pitch Conveyor Chain

STANDARD ROLLER TYPE

OVERSIZE ROLLER TYPE

STANDARD ROLLER TYPEA2040NPA2050NPA2060NPA2080NPSTANDARD ROLLER TYPEC2040NPC2050NPC2060HNPC2080HNPC2100HNPOVERSIZE ROLLER TYPEC2042NPC2052NPC2062HNPC2082HNPC2102HNP

120968060

12096806048

12096806048

.26

.42

.631.03

.34

.561.011.782.67

.58

.871.472.474.23

3,7006,1008,500

14,500

3,7006,1009,000

15,40024,000

3,7006,1009,000

15,40024,000

.472

.591

.709

.906

.472

.591

.677

.9061.126

.472

.591

.677

.9061.126

.060

.080

.094

.125

.060

.080

.125

.156

.187

.060

.080

.125

.156

.187

.380

.469

.581

.758

.380

.469

.652

.823

.965

.380

.469

.652

.823

.965

.325

.406

.506

.640

.325

.406

.573

.720

.858

.325

.406

.573

.720

.858

.156

.200

.234

.312

.156

.200

.234

.312

.375

.156

.200

.234

.312

.375

.312

.375

.500

.625

.312

.375

.500

.625

.750

.312

.375

.500

.625

.750

.312

.400

.469

.625

.312

.400

.469

.625

.750

.625

.750

.8751.1251.562

1.0001.2501.5002.000

1.0001.2501.5002.0002.500

1.0001.2501.5002.0002.500

Note: Attachment chain is available. Refer to Section “B” for dimensions.Spring clip type connecting links will be provided for A2040NP~A2060NP, C2040NP~C2060HNP and C2042NP~C2062HNP.

U.S. TSUBAKI


Stainless Steel Chain


A-57

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Pitch Width Roller Pin Pin Maximum Approx.Specifications Between Dia. Link Plate Dia. Allowable Weight

Roller SS•NS•LS AS Load lbs./ft.Link lbs.

Plates

SS NS AS LS P W R T H D L1 L2 L1 L2 SS•NS•LS AS

RS25SS RS25NS — — .250 .125 .130 .030 .230 .090 .150 .189 26 .09RS35SS RS35NS RS35AS — .375 .188 .200 .050 .354 .141 .238 .281 .238 .281 60 91 .22RS40SS RS40NS RS40AS RS40LS .500 .312 .312 .060 .472 .156 .325 .380 .325 .392 99 150 .43RS50SS RS50NS RS50AS RS50LS .625 .375 .400 .080 .591 .200 .406 .469 .406 .472 154 231 .70RS60SS RS60NS RS60AS RS60LS .750 .500 .469 .094 .713 .234 .506 .600 .506 .581 231 346 1.03RS80SS RS80NS RS80AS RS80LS 1.000 .625 .625 .125 .949 .312 .638 .768 .638 .768 397 596 1.79RS100SS — — — 1.250 .750 .750 .156 1.185 .375 .791 .909 573 2.69

1. RS ROLLER CHAIN

2. DOUBLE PITCH CONVEYOR CHAIN

• Available in 304 SS SERIES316 NS SERIES600 AS SERIESLS SERIES

SS • NS • AS • LS Dimensions

RollerlessNote: Attachment chain is available. Refer to Section “B” for dimensions.

Titanium Series chain available in sizes RS35-RS60.Double strand chains are available.

Note: 1. Material of oversize roller is 304 stainless steel.2. Attachment chain is available. Refer to Section “B” for dimensions.

Pitch Roller Width Pin Link Plate Maximum Approx.Diameter Between Allowable Weight

Roller Link Load lbs./ft.Plates lbs.

Chain No. P R W D L1 L2 T H

.34

.561.011.62

.58

.871.472.37

150231346596

150231346596

.472

.591

.677

.906

.472

.591

.677

.906

.060

.080

.125

.156

.060

.080

.125

.156

.380

.469

.652

.823

.380

.469

.652

.823

.325

.406

.573

.720

.325

.406

.573

.720

.156

.200

.234

.312

.156

.200

.234

.312

.312

.375

.500

.625

.312

.375

.500

.625

.312

.400

.469

.625

.625

.750

.8751.125

1.0001.2501.5002.000

1.0001.2501.5002.000

STANDARD ROLLER TYPEC2040ASC2050ASC2060HASC2080HASOVERSIZE ROLLER TYPEC2042ASC2052ASC2062HASC2082HAS

Dimensions in inches

U.S. TSUBAKI

�

��

��


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A-58

Note: Flat shape link plateStainless steel roller chains with over 1.00 inch pitch are also available upon request. Duplex and triplex are also available.

ISO Pitch Roller Width Pin Link Plate Average Bearing Approx.BS/DIN Diameter Between Tensile Area Weight

No. Roller Link Strength (Nominal) lbs./ft.Plates lbs. inch2

Chain No. P R W D L1 L2 T HRF06BSS 06B .375 .250 .225 .129 .255 .296 .050 .323 1,430 .040 .26RS08BSS 08B .500 .335 .305 .175 .329 .395 .060 .465 2,200 .078 .47RS10BSS 10B .625 .400 .380 .200 .370 .449 .060 .579 3,190 .104 .64RS12BSS 12B .750 .475 .460 .225 .433 .520 .070 .634 3,740 .138 .84RS16BSS 16B 1.000 .625 .670 .326 .705 .783 .156 .827 10,560 .326 1.82

�

�

3. BS/DIN ROLLER CHAIN

4. DOUBLE PITCH CHAIN

RS Double Pitch Drive Chain

Double Pitch Conveyor Chain

STANDARD ROLLER TYPE

OVERSIZE ROLLER TYPE

600 Series stainless steel chains are also available.Attachment chain is available. Refer to Section “B” for dimensions.Spring clip type connecting links will be provided for A2040SS~A2060SS, C2040SS~C2060HSS and C2042SS~C2062HSS.

Pitch Roller Width Pin Link Plate Maximum Approx. No. ofDiameter Between Allowable Weight Links

Roller Link Load lbs./ft. perChain No. Plates lbs. 10 ft.

SS LS P R W D L1 L2 T H SS•LS

120968060

120968060

120968060

.26

.42

.631.03

.34

.561.011.62

.58

.871.472.37

99154231397

99154231397

99154231397

.472

.591

.709

.906

.472

.591

.677

.906

.472

.591

.677

.906

.060

.080

.094

.125

.060

.080

.125

.156

.060

.080

.125

.156

.380

.469

.600

.758

.380

.469

.652

.823

.380

.469

.652

.823

.325

.406

.506

.640

.325

.406

.573

.720

.325

.406

.573

.720

.156

.200

.234

.312

.156

.200

.234

.312

.156

.200

.234

.312

.312

.375

.500

.625

.312

.375

.500

.625

.312

.375

.500

.625

.312

.400

.469

.625

.312

.400

.469

.625

.625

.750

.8751.125

1.0001.2501.5002.000

1.0001.2501.5002.000

1.0001.2501.5002.000

U.S. TSUBAKI

U.S. TSUBAKI

Note:

RS DOUBLE PITCH CHAIN DRIVEA2040SSA2050SSA2060SSA2080SSDOUBLE PITCH CONVEYOR CHAIN STANDARD ROLLERC2040SSC2050SSC2060HSSC2080HSSDOUBLE PITCH CONVEYOR CHAIN OVERSIZE ROLLERC2042SSC2052SSC2062HSSC2082HSS

————

C2040LSC2050LSC2060LSC2080LS

C2042LSC2052LSC2062LSC2082LS



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S Poly-Steel ChainU.S. Tsubaki Poly-Steel chains are made to exacting specifications from polyacetal stainless steel.

The combination of polyacetal inner links and 304 stainless steel pins and outer link plates effectively incorporates theadvantages of both materials into one chain. U.S. Tsubaki Poly-Steel chains can be used in both driving and conveyingapplications.

Pitch Bushing Width Maximum Approx. ColorDiameter Between Link Plate Pin Allowable Weight

Roller Link Load lbs./ft.Plates lbs.

Chain No. P B W T1 T2 H h D L1 L2

RF25PC .250 .130 .125 .030 .051 .236 .199 .091 .177 .217 18 .06 BrownRF35PC .375 .200 .188 .050 .087 .354 .307 .141 .270 .309 40 .15 BrownRF40PC .500 .312 .312 .060 .060 .472 .409 .156 .325 .392 99 .26 BrownRF50PC .625 .400 .375 .080 .080 .591 .512 .200 .406 .472 154 .39 BrownRF60PC .750 .469 .500 .094 .094 .713 .614 .234 .506 .581 198 .55 Brown

� Additional Information1. Offset links are not available. Please use an even number

of links.

2. Existing RS standard sprockets can be used.

3. RF40PC to RF60PC use the same connecting links asstainless steel chain. RF25PC and RF35PC use specialconnecting links.

4. When replacing stainless steel chain with Poly-Steel chain,please check the chain tension. Chain tension should beless than the maximum allowable tension.

5. Ambient temperature range: -14°F ~ 176°F(-10°C ~ 80°C)

6. Maximum chain speed: less than 230 ft./min.

7. Coefficient of sliding friction between chain and guide railis 0.25 (without lubrication).

8. The guide rail should support the bottom side of the links.

9. The color of the inner links is BROWN.

� Connecting and Disconnecting1. Disconnect as follows:

As shown in the drawing, place the pin link plate on the jigand press down on the pin heads. Please be careful not toapply too much pressure to the plastic portion as there isthe possibility of breakage.

2. Please inquire about our disconnecting jig.

3. For connecting, please use a connecting link.

U.S. TSUBAKI


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A-60

Corrosion Resistance Guide

SubstanceConcen-tration

Temp.°F

AS SS NS TI PC PC-SY

Acetic AcidAcetoneAlcohol

Aluminum SulfateAmmonia Water

Ammonium ChlorideAmmonium NitrateAmmonium Sulfate

BeerBenzeneBoric Acid

Butyric AcidCalcium Chloride

Calcium HydroxideCalcium Hypochlorite

Carbolic AcidCarbon Tetrachlorite (dry)

Chlorinated WaterChlorine Gas (dry)

Chlorine Gas (moist)Chromic Acid

Citric AcidCoffee

CreosoteDeveloping Solution

Ethyl EtherFerric Acid

Ferric ChlorideFormalin

Formic AcidFruit JuiceGasolineGlycerolHoney

Hydrochloric AcidHydrogen Peroxide

Hydrogen Sulfide (dry)Hydrogen Sulfide (wet)

HydroxybenzeneKeroseneKetchup

Lactic AcidLard

Linseed OilMalic Acid

MayonnaiseMilk

10%

Saturation

50%

Saturation

50%

Saturation20%

11-14%

5%50%

50%5%

40%50%

2%30%

10%

100%50%

6868

6868

BoilingBoilingBoiling

6868

Boiling6868

Boiling68

68

68686868

Boiling68686868686868686868

6868

68686868

68Boiling

6868

11131312111131311333211121131121113213111212121

11111211111121111323111111121111113113111111111

11111111111111111122111111121111113113111111111

11111111111111111111111111111111111111111111111

111—1—2—11—1213313——3—1—113——3111133133—11—1111

131—1—1—11——11111—11111—111——11111111———11——111

SubstanceConcen-tration

Temp.°F

AS SS NS TI PC PC-SY

Nitric AcidNitric AcidNitric Acid

Oil (Plant, Mineral)Oleic AcidOxalic Acid

ParaffinPetroleumPhosphate

Phosphoric AcidPhosphoric Acid

Picric AcidPotassium

Potassium BichromatePotassium Chloride

Potassium HydroxidePotassium NitratePotassium Nitrate

Potassium PermanganateSal Ammoniac

Sea-WaterSoap-and-Water-Solution

Sodium CarbonateSodium ChlorideSodium Cyanide

Sodium HydrocarbonateSodium Hydroxide

Sodium HypochloriteSodium Perchlorate

Sodium SulfateSodium Thiosulfate

Soft DrinkStearic Acid

Sugar SolutionSulfuric Acid

Sulfur DioxideSynthetic Detergent

SyrupTartaric AcidTurpentine

VarnishVegetable Juice

VinegarWater

WhiskeyWine

Zinc ChlorideZinc Sulfate

5%65%65%

10%

5%10%

SaturationSaturation

10%Saturation

20%25%25%

Saturation50%

Saturation5%

25%10%10%

Saturation25%

100%

5%

10%

50%25%

6868

Boiling6868686868

6868686868686868

Boiling68

Boiling6868

Boiling6868686868

Boiling68

Boiling68

Boiling686868

6895

6868

68686868

233112111221212113133112—11331113133111111311131

112111111121111111122111111311113131111111211121

112111111121111111111111111111111111111111111121

111111111111111111111111111111111111111111111111

33311—11—33——1—11———21—1—113———1313—111——121112—

1131—1—1—11————1——1—1——1—1—1———1—11—111111111111

Key: AS: 600 AS Series NS: 316 NS SeriesSS: 304 SS Series TI: Titanium TI Series

PC: Poly-Steel ChainPC-SY: Poly-Steel Anti-Chemical Series

1. Highly corrosion resistant2. Partially corrosion resistant3. Not corrosion resistant

Note: For information on the corrosion resistance of LS Series Chain, please consult U.S. Tsubaki Engineering.


U.S. TSUBAKI ENGINEERING INFORMATION & CHAIN SELECTION

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� MATERIALS OF COMPONENT PARTS

� CHAIN SELECTION

General selection is based on bearing pressure between the pin and bushing. Anti-corrosive roller chains are normally intended to beused at slow speed without lubrication. Chain selection should be made based on the bearing pressure as shown below.

Link Plate Pin Bushing Roller

AS Series

SS Series

NS Series

AISI 304

AISI 304

AISI 316

AISI 304

AISI 316

Special(13-7PH)

ASTM631-HT(17-7PH)

ASTM631-HT(17-7PH)

AISI 304 AISI 304

AISI 316 AISI 316

AISI 304+LS Series AISI 304 AISI 304 Special Engineering AISI 304

Plastic Sleeve

� PERFORMANCE OF ANTI-CORROSIVE CHAINS

CorrosionResistance

Maximum Allowable BearingPressure BetweenPin and Bushing

MaximumOperating Speed

TemperatureResistance

MagnetismWear

Resistance

PH: Precipitation HardenedThe corrosion resistance of special 13-7 PH is equal to that of 17-7 PH.

NP Chain

ULTRA WP® Chain

SS Series

NS Series

LS Series

1,420 psi

1,420 psi

1,420 psi

230 ft./min.

AS Series 2,130 psi 230 ft./min.

230 ft./min.

230 ft./min.

AS Series

SS Series

NS Series

LS Series

Acceptable for outdoor anddecorative applications

14°F~140°F(Never use below -4°F orover 300°F)

Magnetic Excellent

Excellent for outdoors, exposureto rain, and seawater

14°F~140°F Magnetic Excellent

Good for general acid, alkali andwater

-40°F~750°F(Never use over 930°F) Magnetic Good

Very Good


-40°F~750°F(Never use below -270°F orover 1300°F)

Slightly magnetic due tocold forming of parts

Slightly magnetic due tocold forming of parts

Fair

Superior to SS & AS


-40°F~750°F(Never use below -420°F orover 1500°F)

14°F~212°F

Non-magnetic Fair

Chain selection can be made using the following formula.

Maximum allowable load or maximum bearing pressure as shownabove can be doubled only when chain is used in group “1” of the“Corrosion Resistance Guide” on page A-60 and properly lubricated.

MaximumChain Tension

ServiceFactor

SpeedCoefficient

TemperatureFactor

MaximumAllowable LoadX X X ≥


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AS Series SS Series NS Series

RS25 —

90 lbs.

150 lbs.

231 lbs.

346 lbs.

596 lbs.

—

26 lbs.

60 lbs.

99 lbs.

154 lbs.

231 lbs.

397 lbs.

573 lbs.

26 lbs. —

—60 lbs.

99 lbs. 99 lbs.

154 lbs. 154 lbs.

231 lbs. 231 lbs.

397 lbs. 397 lbs.

573 lbs. 573 lbs.

RS35

RS40

RS50

RS60

RS80

RS100

� MAXIMUM ALLOWABLE LOAD

The chain’s maximum allowable load can be obtained by the formula: (Maximum allowable bearing pressure) • (Bearing area between pin and bushing).

Service FactorType of Impact

Smooth transmission

Transmission with some impact

Transmission with large impact

1.0

1.3

1.5

� SERVICE FACTOR

Speed CoefficientChain Speed

0 ~ 50 ft./min.

50 ~ 100 ft./min.

100 ~ 160 ft./min.

160 ~ 230 ft./min.

1.0

1.2

1.4

1.6

� SPEED COEFFICIENT

NS Series LS SeriesSS SeriesAS SeriesTemperature

~ -270°F

-270°F ~ -40°F

-40°F ~ 750°F

750°F ~ 930°F

930°F ~ 1,100°F

1,100°F ~ 1,300°F

1,300°F ~ 1,500°F

1,500°F ~

X X

X

XX

X 1.01.0

1.0 1.0 (14°F ~ 212°F)1.01.0

1.01.21.8

X

X

X

1.21.5

1.51.8

2.0X

XXX

X

X

X

X

X

� TEMPERATURE FACTOR

X: Not suggested.

LS Series


U.S. TSUBAKI LEAF CHAIN

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Leaf Chain

Leaf chains generally have greater tensile strength thanroller chains, and run over sheaves rather than sprockets.They are most often used as counterweight chains formachine tools, elevator and oven doors, fork lift truck masts,spinning frames and similar lifting or balancing applications.BL series can, in most instances, replace the older AL seriesLeaf chains; consult U.S. Tsubaki for interchangeinformation.

These chains are supplied with male or female terminationsto allow addition of various clevises as desired.


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A-64

AL SeriesNew applications should use BL serieschain. AL series was removed from theA.N.S.I. B29.8 Leaf chain standard in 1975.

Pitch Lacing Min. Hole Approx.Tensile Pin Link Plate Dia. Weight

Strength (min.) lbs./ft.lbs.

Chain No. P D L T H S

Pitch Lacing Min. Hole Approx.Tensile Pin Link Plate Dia. Weight

Strength (min.) lbs./ft.lbs.

Chain No. P D L T H S

.25

.50

.74

.42

.821.21.58

1.151.701.012.002.971.803.565.312.394.757.076.95

10.188.70

13.00

.79.189.590.094.583.1877,0003x2.625

.1578

.1578

.1578

.2019

.2019

.2019

.2362

.2362

.2362

.3138

.3138

.3138

.3768

.3768

.3768

.4386

.4386

.4386

.5016

.5016

.5638

.5638

.409

.409

.409

.512

.512

.512

.614

.614

.614

.819

.819

.8191.0241.0241.0241.2281.2281.2281.4331.4331.6381.638

.060

.060

.060

.080

.080

.080

.094

.094

.094

.125

.125

.125

.156

.156

.156

.187

.187

.187

.219

.219

.250

.250

.331

.585

.839

.427

.7621.094.498.888

1.278.644

1.1731.701.789

1.4452.098.953

1.7322.5142.0202.9352.2853.325

.156

.156

.156

.200

.200

.200

.234

.234

.234.311.311.311.373.373.373.437.437.437.500.500.562.562

3,7007,500

11,2006,200

12,30018,5008,600

17,20025,80014,60029,10043,60022,00044,00066,00031,70063,40095,00083,600

125,400105,800158,000

2x24x46x62x24x46x62x24x46x62x24x46x62x24x46x62x24x46x64x46x64x46x6

.500

.500

.500

.625

.625

.625

.750

.750

.7501.0001.0001.0001.2501.2501.2501.5001.5001.5001.7501.7502.0002.000

AL422AL444AL466AL522AL544AL566AL622AL644AL666AL822AL844AL866AL1022AL1044AL1066AL1222AL1244AL1266AL1444AL1466AL1644AL1666

BL532 (6H-5)

Non-Standard Chain

NOTE: BL532 is available only as a replacement chain and should not be specified for new applications or designs.

U.S. TSUBAKI

U.S. TSUBAKI



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Pitch Lacing Min. ANSI Hole Approx.Tensile Min. Pin Link Plate Dia. Weight

Strength Tensile (min.) lbs./ft.lbs. Strength

Chain No. P lbs. D L T H S.46.56.76.86

1.111.32.72.85

1.141.271.611.881.131.371.902.142.693.181.742.152.983.394.255.072.533.154.405.036.247.503.254.396.116.988.079.804.916.097.618.71

12.1015.136.618.17

11.3912.7516.1919.31

.2019

.2019

.2019

.2019

.2019

.2019

.2362

.2362

.2362

.2362

.2362

.2362

.3138

.3138

.3138

.3138

.3138

.3138

.3768

.3768

.3768

.3768

.3768

.3768

.4386

.4386

.4386

.4386

.4386

.4386

.5016

.5016

.5016

.5016

.5016

.5016

.5638

.5638

.5638

.5638

.5638

.5638

.6886

.6886

.6886

.6886

.6886

.6886

.472

.472

.472

.472

.472

.472

.591

.591

.591

.591

.591

.591

.713

.713

.713

.713

.713

.713

.949

.949

.949

.949

.949

.9491.1851.1851.1851.1851.1851.1851.4251.4251.4251.4251.4251.4251.6611.6611.6611.6611.6611.6611.8981.8981.8981.8981.8981.898

.080

.080

.080

.080

.080

.080

.094

.094

.094

.094

.094

.094

.125

.125

.125

.125

.125

.125

.156

.156

.156

.156

.156

.156

.187

.187

.187

.187

.187

.187

.219

.219

.219

.219

.219

.219

.250

.250

.250

.250

.250

.250

.281

.281

.281

.281

.281

.281

.427

.510

.677

.764

.9291.094.498.594.791.888

1.0831.278.645.778

1.0411.1731.4371.701.794.953

1.2811.4531.7722.098.944

1.1381.5301.7082.1142.5141.1041.3351.7912.0202.4782.9361.2451.5042.0242.2852.8053.3251.4011.7032.2992.5933.1913.785

.200

.200

.200

.200

.200

.200

.234

.234

.234

.234

.234

.234

.312

.312

.312

.312

.312

.312

.375

.375

.375

.375

.375

.375

.437

.437

.437

.437

.437

.437

.500

.500

.500

.500

.500

.500

.562

.562

.562

.562

.562

.562

.687

.687

.687

.687

.687

.687

5,0005,0007,500

10,00010,00015,0007,5007,500

11,00015,00015,00022,50011,00011,00017,00022,00022,00033,00019,00019,00029,00038,00038,00057,00026,00026,00041,00052,00052,00078,00034,00034,00055,00068,00068,000

102,00043,00043,00071,00086,00086,000

130,00065,00065,00099,000

130,000130,000195,03097,50097,500

146,000195,000195,000292,500

5,3005,3007,900

10,60010,60015,6008,8008,800

13,20017,60017,60026,40014,30014,30021,50028,50028,50043,00023,10023,10034,80046,20046,20069,50031,70031,70048,50063,40063,40095,20041,80041,80067,20083,60083,600

125,60052,90052,90087,000

105,800105,800158,70079,30079,300

124,500158,600158,600238,300119,000119,000178,800238,500238,500357,800

2x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x62x22x33x44x44x66x6

.500

.500

.500

.500

.500

.500

.625

.625

.625

.625

.625

.625

.750

.750

.750

.750

.750

.7501.0001.0001.0001.0001.0001.0001.2501.2501.2501.2501.2501.2501.5001.5001.5001.5001.5001.5001.7501.7501.7501.7501.7501.7502.0002.0002.0002.0002.0002.0002.5002.5002.5002.5002.5002.500

BL422BL423BL434BL444BL446BL466BL522BL523BL534BL544BL546BL566BL622BL623BL634BL644BL646BL666BL822BL823BL834BL844BL846BL866BL1022BL1023BL1034BL1044BL1046BL1066BL1222BL1223BL1234BL1244BL1246BL1266BL1422BL1423BL1434BL1444BL1446BL1466BL1622BL1623BL1634BL1644BL1646BL1666BL2022BL2023BL2034BL2044BL2046BL2066

CONSULT U.S. TSUBAKI ENGINEERING

U.S. TSUBAKI


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A-66

AL Series, BL SeriesSELECTION

Step 1

From the Application Table below, determine the type of chain and service factor.

Application Table

Step 2

Multiply the required working load by the service factor and safety factor below to obtain the design tensile strength.

Safety Factor

Step 3

From the chain list, select a chain having a tensile strength not less than that obtained in Step 2.

Type of Chain Shock Applications Service FactorChain Speed

ft./min.

AL series

Type of Chain Safety FactorChain Speed

ft./min.Maximum Numberof Reciprocations

AL series

BL series

12 Less than 100

Less than 100

Less than 100 per day

Less than 1,000 per day9

AL and BL series Fork lift

Suspension of counterweights

BL seriesMining machineryConstruction equipment

Heavy

1.0

1.3

1.5

Less than 100Moderate

Working Load*

Service Factor

Safety Factor

MinimumTensile StrengthX X ≤

*Working Load including weights of attachments, inertia force and impact force.

When ordering, specify your requirements.

• For odd numbers of pitches inner links at both ends will be provided as standard.

• For even numbers of pitches a clevis connector or press fit and rivet outer link can be furnished.

• Clevis connector or press fit and rivet outer links are both available from stock in popular sizes.

Connection with Clevis:

1. When an inner link is used for the end, a clevis pin is normally supplied by the clevis manufacturer.

2. When an outer link is used for the end, the press fit outer link provides the most integrity.



A-67

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TYPICAL APPLICATIONS

For counterweights of heavy machine tools — planers,multi-spindle drills, etc.

For increasing the travel distance on hydraulic lifts.

For suspension of a counterweight for the arm of drillsor similar machine tool elements.

For transmitting reciprocating motion or lift.

[A]

[C]

[B]

[D]


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A-68

GENERAL CAUTIONS1. Use lengths of factory assembled chain. Do not build lengths from individual components.

2. Do not attempt to rework damaged chains by replacing only the components obviously faulty. The entire chain may be compromised and should be discarded.

3. Never electroplate assembled Leaf chain or its components. Plating could result in failurefrom hydrogen embrittlement.

4. Welding should not be performed on any chain or component. Welding spatter should neverbe allowed to come in contact with chain or components.

5. Leaf chains are manufactured exclusively from heat treated steels and, therefore, must notbe annealed. If heating a chain with a cutting torch is absolutely necessary for removal, thechain should not be reused.

6. Joining chains together should only be done by the chain manufacturer.

7. The Minimum Ultimate Strength of a chain means the minimum load at which it will breakwhen subjected to a destructive tensile test. It does not mean working load.

8. Chains from different manufacturers should not be used in the same application.


U.S. TSUBAKI SPECIALTY CHAIN

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Specialty ChainU.S. Tsubaki Specialty Chain

U.S. Tsubaki is the world leader in providing specialty chains for the most demandingapplications. In addition to industry leading made-to-order capabilities, U.S. Tsubaki offers anumber of “standard” specialty chains.

• Lube-Free chain — High quality lubricant is impregnated into the sintered metal bushingsfor applications where normal lubrication is not practical.

• FX chain — Increased clearance between pins and bushings allows for added chainflexibility with excellent durability.

• Rollerless chain — Designed and manufactured to withstand continued wearing.

• Wrench chain — Extra long pins serve as tension linkages to provide a secure hold for pipewrenches.

• Laminated Block chain — Manufactured with 304 stainless steel, it directly replaces solidblock chain in light load, low speed applications.

• Agriculture chain — With higher tensile strength, longer life, and smoother operation thanmalleable chains, U.S. Tsubaki offers MR and RF types for agriculture applications.


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A-70

Lube-Free Chain

FX Chain

For use where normal lubrication is not practical, i.e., food processing equipment, packaging machines, printing and binding equipment, and textile machines.High quality lubricant is impregnated into the sintered metal bushings. Joint movement between the pin and bushing releases the necessary volume of oil to the pin surface and other parts, thereby minimizing chain elongation and eliminating the risk of chain seizure from insufficient lubrication.See our Drive Series LAMBDA® (page A-25) and Conveyor Series LAMBDA chains(page B-11) for additional specifications on other lube-free chains.

FX CHAINSU.S. Tsubaki FX chains feature excellentdurability and flexibility for tough applicationssuch as in concrete mixers, earth movingequipment, and mining machines.1. FX chains are interchangeable with ANSI

standard chains and can operate on thesame ANSI standard sprocket.

2. Increased clearance between pins andbushings allows the chains to accommodatea 4 inch lateral side bow and an 8 degreetwist per 4 feet of chain.

Pitch Bushing Width Pin Link Plate Average Approx.Diameter Between Tensile Weight

Inner Link Strength lbs./ft.Plates lbs.

Chain No. P B W D L1 L2 T H hRS40SL .500 .312 .297 .156 .325 .392 .060 .472 .409 3,300 .43RS50SL .625 .400 .359 .200 .406 .472 .080 .591 .512 5,200 .70RS60SL .750 .469 .485 .234 .506 .581 .094 .713 .614 7,400 1.03

Pitch Roller Width Pin Average Approx.Diameter Between Tensile Weight

Roller Link Strength lbs./ft.Plates lbs.

Chain No. P R W L1 L2

2.513.695.006.538.69

24,00034,00046,00058,00072,000

.9001.1381.2481.4511.671

.778

.9801.0591.2541.404

.7501.0001.0001.2501.406

.750

.8751.0001.1251.406

1.2501.5001.7502.0002.250

RS100FXRS120FXRS140FXRS160FXRS180FX

U.S. TSUBAKI

U.S. TSUBAKI


U.S. TSUBAKI SPECIALTY CHAIN

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S Rollerless ChainRollerless chains are ideal for tension linkage applications and aredesigned and manufactured to withstand continual wearing action.

Pitch Bushing Width Pin Link Plate Average Approx.Diameter Between Tensile Weight

Inner Link Strength lbs./ft.Plates lbs.

Chain No. P B W D L1 L2 T H.81

1.412.083.04

9,80017,20025,50036,300

.713

.9491.1851.425

.094

.125

.156

.187

.581

.758

.9001.138

.506

.640

.778

.980

.234

.312

.375

.437

.500

.625

.7501.000

.330

.448

.533

.627

.7501.0001.2501.500

RS65RS85RS105RS125

Wrench ChainU.S. Tsubaki Wrench chains have extra long pins extendingbeyond both sides of the chain. They serve as tension linkages forholding pipes securely in pipe wrenches.

Laminated Block ChainLaminated Block chain is used in light load, low speed applications.The chain is made entirely of 304 stainless steel. It is available in avariety of sizes, and it directly replaces Solid Block chain.

Pitch Lacing Pin Link Plate Width Average Approx.Over Tensile Weight

Link Plate Strength lbs./ft.lbs.

Chain No. P D L E T H A.45.62

6,7509,000

.331

.394.512.614

.080

.094.114.197

.559

.787.200.234

2x22x2

.625

.75050WR60WR

U.S. TSUBAKILaminated Block Chain (304SS)

PitchP

BlockWidth

E

LinkPlate

TWidth

AHeight

HWeightlbs./ft.

T502LSST503LSST504LSST505LSST506LSS

1.0001.0001.0001.0001.000

.188

.250

.312

.375

.500

.060

.060

.060

.060

.060

.375

.437

.562

.625

.750

.325

.325

.325

.325

.325

.3

.3

.4

.4

.5

U.S. TSUBAKI

U.S. TSUBAKI


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Agriculture ChainU.S. Tsubaki offers both MR type and RF type steel roller chains foragricultural applications.

MR type steel roller chains have been designed to replace malleablechains. These chains can be used with the existing sprockets formalleable chains.

They have higher tensile strength, longer life, and provide smootheroperation for drives and conveyors than malleable chains. U.S.Tsubaki MR type steel roller chains with various attachments canalso be used for material handling operations.

U.S. Tsubaki RF type steel roller chains have greater wear resistanceand higher tensile strength than MR type steel roller chains.

Pitch Roller Width Pin Link Plate Min. Approx.Diameter Between Tensile Weight

Roller link Strength lbs./ft.Plates lbs.

Chain No. P R W D L1 L2 T H.50

1.081.061.10.97

1.261.311.60

1,9806,6004,4006,3804,4006,380

11,20011,200

.500

.750

.640

.650

.650

.660

.787

.787

.060

.098

.098

.098

.098

.098

.106

.125

.569

.750

.819

.819

.819

.817

.821

.951

.514

.663

.724

.724

.724

.789

.683

.829

.175

.275

.225

.225

.225

.225

.281

.281

.625

.750

.875

.875

.8751.000.795.984

.450

.562

.600

.700

.600

.750

.661

.696

1.1501.3751.5001.6301.6301.6501.6301.654

MR32MR42MR52MR55MR45MR62CA550CA620

See page B-28 for attachment specifications.

U.S. TSUBAKI


U.S. TSUBAKI CHAIN TOOLS

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Chain Vises

Chain No. Primary Punch Secondary Punch

RS40 ~ RS60RS80 ~ RS120RS140 ~ RS240

S-1S-2S-3

D-1D-2D-3

StrandsChain No. RS40 RS50 RS60 RS80 RS100 RS120 RS140 RS160 RS180 RS200 RS240 Model No. L H B

min. ~ max.

Chain No. Riveting Punch

RS40 RV-1RS50 RV-2RS60 RV-3RS80 RV-4

123

CV-1CV-2 CV-3

Not in Stock

CV-1 3.947.097.87

2.564.336.69

3.70 ~ 4.534.72 ~ 5.947.09 ~ 8.66

CV-2CV-3

indicates CV-1 indicates CV-2 indicates CV-3

Model CV-1 Model CV-2 Model CV-3


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Chain Breakers

Chain Pullers

Model No. D-35 D-60 D-120 CS - C3

Chain No. RS25 ~ RS60 RS60 ~ RS100 RS120 ~ RS160 RS160 ~ RS240

Model No. P-35 P-60 P-80

Chain No. RS35 ~ RS60 RS40 ~ RS80 RS80 ~ RS240

Note: CS - C3 Made-To-Order.

Model D Model C

P-35 P-60 P-80


U.S. TSUBAKI ENGINEERING INFORMATION

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EngineeringInformation


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A-76

INSTALLATION AND ARRANGEMENT

Speed Ratio and Chain Wrap

The speed ratio of the roller chain canrange up to 7:1 under normal operatingconditions. However, a speed ratio of 10:1is possible if the speed is very slow. Chainwrap on the small sprocket must be at least120 degrees.

Distance Between Shafts

Sprockets can be separated by anydistance as long as their teeth do not touch.Optimum distance is 30 to 50 times thepitch of the chain used except when thereis a pulsating load. In such cases, thedistance should be up to 20 times the pitchof the chain used.

Position

Roller chains are ideally installedhorizontally. When chains are installed atangles approaching the vertical, theystretch quickly and may slip off thesprockets. In such cases the sprocketsshould be adjusted properly.

Slack

Generally, the slack of a roller chain shouldbe on the lower side (see Fig. A). Adequateslack (SS’) is 4% of the span for normaldrives. In the following cases, the slackshould be about 2% of the span.a. Vertical drive or close to vertical drive.b. Center distance between two shafts is

greater than 3 ft.c. Chain is operated under heavy load and

high frequency of on and off drive.d. Direction of the drive is often changed.

Position of Sprocket

The two shafts should be parallel andpreferably in a horizontal position.Sprockets should be firmly installed.(See Figs. B and C)Use a straight edge to check that the twosprockets are installed along the samehorizontal plane.

ArrangementWhen designing roller chain drives, thecenterline of both sprockets should be closeto horizontal (see Figs. D and E). The angleof inclination can be up to 60 degrees asshown in Figs. F and G.If installation is close to vertical, it isdesirable to install an idler or a guidestopper to maintain smooth engagement ofthe chain and sprocket.

Attention should be paid to the followingarrangements.If the slack side is on the top, it isnecessary to eliminate excessive chainslack.

A-1. When the center distance is short,chain slack should be adjusted byincreasing the center distance.

A-2. When the center distance is long,chain slack should be adjusted by installingan idler.

B. If vibration occurs due to high chainspeed, install a guide.

C. If the centerline is vertical, install anidler which functions automatically toeliminate extra chain slack. If the drivingshaft is on the lower side, an idler must beinstalled.



A-77

LUBRICATION

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LubricationWear between the pin and bushing causesthe roller chain to stretch. These partsshould, therefore, be well lubricated. Thegap between the pin link plate and the rollerlink plate on the slack side of the chainshould be filled with oil. This oil forms a filmwhich minimizes wear on the pin andbushing, thus increasing the chain’s servicelife. It also reduces noise and acts as acoolant when the chain runs at highspeeds.

Suggested LubricantsOnly high quality oil should be used tolubricate the roller chain. Neither heavy oilnor grease is suitable. The viscosity of theoil used will depend on the chain size,chain speed and ambient temperature. Thelubricants suggested for specifictemperature ranges are given in thefollowing table.

Lubricating System

AmbientTemperature

RangeChain No.

A, B C

14°FI

32°F

32°FI

104°F

104°FI

122°F

122°FI

140°F

14°FI

32°F

32°FI

104°F

104°FI

122°F

122°FI

140°F

SAE 10 SAE 20 SAE 30 SAE 40SAE 10

SAE 20

SAE 20

SAE 30

SAE 30

SAE 40

SAE 40

SAE 50

SAE 20 SAE 30 SAE 40SAE 50

SAE 30

RS50 or less

RS60 and RS80

RS100

RS120 or more SAE 40 SAE 50

The following three lubricating systems are suggested:

Manual LubricationOil is applied with an oil filler or brush in the gapbetween the pin link and roller link on the slack sideof the chain. It should be applied about every eighthours or as often as necessary to prevent the bearingarea of the chain from becoming dry.Always turn off & lockout the power switch beforelubricating or servicing a chain system.

Drip LubricationA simple casing can be used. The oil is supplied bydrip feed. Each strand of chain should ordinarilyreceive 5 to 20 drops of oil per minute, according toincreases in the chain speed.

Oil Bath LubricationThe chain is installed in a leak-free casing. The oildepth “h” should be 1/4 to 1/2 inch deep. If the oil istoo deep, the oil will be adversely affected by theheat generated.

Lubrication by Slinger DiscInstall the slinger disc in a leak-free oil casing. Oil issplashed on the chain. The circumferential speedshould be at least 700 ft./min. If the width of the chainis greater than 5 inches, attach slinger discs to bothsides. The oil depth of “h” should be from 1/2 to 1inch deep. The chain should not pass through the oil.

Lubrication Using a PumpUse a leak-free casing. A pump is used to circulatethe oil which is then cooled.The number of supply holes should equal Z+1 whereZ is the number of strands of chain. The amount of oilsupplied to each hole is constant.

Regardless of the lubricating system used, the roller chain must be washed periodically withpetroleum or gasoline. Examine the pin and bushing after removing the chain. Any damage orreddish-brown color on their surfaces indicate that the system is not being adequately lubricated.

ChainSpeed

(ft./min.)

1,600 ~ 2,6002,600 ~ 3,6003,600 ~ 4,600

0.26 gal./min. 0.40 gal./min. 0.53 gal./min. 0.66 gal./min.0.53 gal./min. 0.66 gal./min. 0.79 gal./min. 0.92 gal./min.0.79 gal./min. 0.92 gal./min. 1.06 gal./min. 1.19 gal./min.

Chain Number

RS60 RS80 RS120 RS160and under RS100 RS140 and over

System A

System B

System C


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A-78

TROUBLESHOOTING GUIDE

Excessive Noise

Chain Vibration

Wear on inside of link plateand one side of sprocket teeth

Chain climbs sprockets

Broken pins, bushings or rollers

Chain clings to sprocket

Chain gets stiff

Breakage of link plate • Subjected to shock load

• Vibration

• Moment of load inertia is too big

• Reduce shock (e.g., install a shock absorber)

• Install a device to absorb vibration (e.g., tensioneridler wheel)

• Chain section should be checked (increase numberof strands or select next larger size chain)

• Misalignment

• Inadequate lubrication

• Corrosion

• Excessive load

• Material build-up in chain joint

• Peening of link plate edges

• Realign sprockets and shafts

• Lubricate properly

• Replace with anti-corrosive chain

• Reduce load or replace with chain of suitablestrength

• Shield drive from foreign matter

• Check for chain interference

• Center distance too big or high load fluctuation

• Excessive chain slack

• Excessive chain wear

• Adjust the center distance or install idler take-up

• Same as above

• Replace chain

• Chain speed too high for pitch and sprocket size

• Heavy shock or suddenly applied loads

• Material build-up in sprocket tooth pockets

• Inadequate lubrication

• Chain or sprocket corrosion

• Use shorter pitch chain or install larger diametersprockets

• Reduce shock load or install stronger chain

• Remove material build-up or install side gashedsprockets


• Install anti-corrosive chain or sprockets

• Excessive chain wear

• Excessive chain slack

• Heavy overload

• Replace chain

• Adjust centers or idler take-up

• Reduce load or install stronger chain

• Misalignment • Realign sprockets and shafts

• Resonance to the vibration cycle of machine to beinstalled

• High load fluctuation

• Change vibration cycle of chain or machine

• Use torque converter or fluid coupling

• Misalignment of sprockets

• Loose casings or bearings

• Too little or too much slack

• Chain and/or sprocket wear

• Inadequate lubrication or no lubrication

• Chain pitch size too large

• Realign sprockets and shafts

• Tighten set-bolts

• Adjust centers or idler take-up

• Replace chain and/or sprocket


• Check chain drive selection

Problem Possible Causes What to Do



A-79

ANSI SPROCKET DIMENSIONS

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No. ofTeeth

RS25 1⁄4” Pitch RS35 3⁄8” Pitch RS40, RS41 1⁄2” Pitch RS50 5⁄8” Pitch RS60 3⁄4” Pitch RS80 1” Pitch

PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈

910111213

1415161718

1920212223

2425262728

2930313233

3435363738

3940414243

4445464748

4950515253

5455565758

5960616263

.731

.809

.887

.9661.045

1.1231.2021.2811.3611.440

1.5191.5981.6771.7571.836

1.9151.9952.0742.1532.233

2.3122.3922.4712.5512.630

2.7102.7892.8692.9483.028

3.1073.1873.2663.3463.425

3.5053.5843.6643.7433.823

3.9023.9824.0614.1414.220

4.3304.3794.4594.5384.618

4.6974.7774.8574.9365.016

.837

.9191.0021.0831.167

1.2461.3261.4071.4871.568

1.6481.7291.8091.8891.969

2.0492.1292.2092.2892.369

2.4492.5292.6092.6882.768

2.8482.9283.0083.0873.167

3.2473.3273.4063.4863.566

3.6463.7253.8053.8853.964

4.0444.1244.2034.2834.363

4.4424.5224.6024.6814.761

4.8414.9205.0005.0805.159

1.0961.2141.3311.4491.567

1.6851.8041.9222.0412.159

2.2782.3972.5162.6352.754

2.8732.9923.1113.2303.349

3.4683.5883.7073.8263.945

4.0644.1834.3034.4224.541

4.6604.7804.8995.0185.137

5.2575.3765.4955.6145.734

5.8535.9726.0916.2116.330

6.4496.5696.6886.8076.927

7.0467.1657.2847.4047.523

1.2561.3801.5021.6251.747

1.8681.9902.1112.2312.352

2.4732.5932.7132.8332.954

3.0743.1943.3143.4343.554

3.6733.7933.9134.0334.152

4.2724.3924.5114.6314.751

4.8714.9905.1105.2295.349

5.4685.5885.7085.8275.947

6.0666.1866.3056.4256.544

6.6646.7836.9037.0227.142

7.2617.3817.5007.6197.739

1.4621.6181.7751.9322.089

2.2472.4052.5632.7212.879

3.0383.1963.3553.5133.672

3.8313.9894.1484.3074.466

4.6254.7834.9425.1015.260

5.4195.5785.7375.8966.055

6.2146.3736.5326.6916.850

7.0097.1687.3277.4867.645

7.8047.9638.1228.2818.440

8.5998.7588.9179.0769.236

9.3959.5549.7139.872

10.031

1.6741.8392.0032.1662.329

2.4912.6522.8142.9753.135

3.2963.4573.6173.7783.938

4.0984.2584.4184.5784.738

4.8975.0575.2175.3775.536

5.6965.8556.0156.1756.334

6.4946.6536.8136.9727.131

7.2917.4517.6097.7697.928

8.0888.2478.4078.5668.725

8.8859.0449.2039.3639.522

9.6819.841

10.00010.15910.318

1.8272.0232.2192.4152.612

2.8093.0063.2043.4013.599

3.7973.9954.1934.3924.590

4.7884.9875.1855.3845.582

5.7815.9796.1786.3766.575

6.7746.9727.1717.3707.568

7.7677.9668.1658.3638.562

8.7618.9609.1599.3579.556

9.7559.954

10.15310.35110.550

10.74910.94811.14711.34611.544

11.74311.94212.14112.34012.539

2.0922.2992.5042.7082.911

3.1133.3153.5173.7193.920

4.1204.3214.5224.7224.922

5.1225.3225.5225.7225.922

6.1226.3216.5216.7216.920

7.1207.3197.5197.7187.918

8.1178.3168.5168.7158.914

9.1149.3139.5129.7119.911

10.11110.30910.50810.70710.907

11.10611.30511.50411.70311.902

12.10212.30112.50012.69912.898

2.1932.4272.6622.8983.134

3.3713.6073.8444.0824.319

4.5574.7945.0325.2705.508

5.7465.9846.2226.4606.699

6.9377.1757.4137.6527.890

8.1288.3678.6058.8449.082

9.3219.5599.798

10.03610.275

10.51310.75210.99011.22911.467

11.70611.94412.18312.42212.660

12.89913.13713.37613.61513.853

14.09214.33014.56914.80815.046

2.5112.7583.0043.2493.493

3.7363.9794.2214.4624.704

4.9455.1855.4265.6665.907

6.1476.3876.6276.8677.107

7.3467.5867.8258.0658.304

8.5448.7839.0229.2629.501

9.7409.980

10.21910.45810.697

10.93611.17611.41511.65411.893

12.13212.37112.61012.84913.088

13.32713.56613.80514.04414.283

14.52214.76115.00015.23815.477

2.9243.2363.5493.8644.179

4.4944.8105.1265.4425.759

6.0766.3926.7107.0277.344

7.6617.9798.2968.6148.931

9.2499.5679.885

10.20210.520

10.83811.15611.47411.79212.110

12.42812.74513.06313.38113.700

14.01814.33614.65414.97215.290

15.60815.92816.24416.56216.880

17.19817.51717.83518.15318.471

18.73919.10719.42619.74420.062

3.3473.6784.0064.3324.657

4.9825.3055.6275.9506.271

6.5936.9147.2357.5557.875

8.1968.5168.8369.1569.475

9.79510.11410.43410.75311.072

11.39211.71112.03012.34912.668

12.98713.30613.62513.94414.263

14.58214.90115.21915.53815.857

16.17616.49516.81317.13217.451

17.76918.08818.40618.72519.044

19.36319.68120.00020.31820.637

❈ Outside diameter dimensions are nominal. Note: Bottom diameter = pitch diameter – chain roller diameter


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A-80

No. ofTeeth

RS25 1⁄4” Pitch RS35 3⁄8” Pitch RS40, RS41 1⁄2” Pitch RS50 5⁄8” Pitch RS60 3⁄4” Pitch RS80 1” Pitch

PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈

6465666768

6970717273

7475767778

7980818283

8485868788

8990919293

9495969798

99100101102103

104105106107108

109110111112113

114115116117118

119120

5.0955.1755.2545.3345.413

5.4935.5725.6525.7325.811

5.8915.9706.0506.1296.209

6.2886.3686.4486.5276.607

6.6866.7666.8456.9257.004

7.0847.1647.2437.3237.402

7.4827.5617.6417.7207.800

7.8807.9598.0398.1188.198

8.2778.3578.4378.5168.596

8.6758.7558.8348.9148.994

9.0739.1539.2329.3129.391

9.4719.550

5.2395.3195.3985.4785.558

5.6375.7175.7965.8765.956

6.0356.1156.1956.2746.354

6.4336.5136.5936.6726.752

6.8326.9116.9917.0707.150

7.2307.3097.3897.4687.548

7.6287.7077.7877.8667.946

8.0268.1058.1858.2648.344

8.4248.5038.5838.6628.742

8.8228.9018.9819.0609.140

9.2209.2999.3799.4589.538

9.6629.679

7.6427.7627.8818.0008.120

8.2398.3588.4788.5978.716

8.8368.9559.0749.1949.313

9.4329.5529.6719.7909.910

10.02910.14810.26810.38710.506

10.62610.74510.86410.98411.103

11.22311.34211.46111.58111.700

11.81911.93912.05812.17712.297

12.41612.53512.65512.77412.893

13.01313.13213.25113.37113.490

13.60913.72913.84813.96814.087

14.20614.326

7.8587.9788.0978.2178.336

8.4568.5758.6948.8148.933

9.0539.1729.2929.4119.531

9.6509.7709.889

10.00810.128

10.24710.36710.48610.60510.725

10.84410.96411.08311.20211.322

11.44111.56111.68011.79911.919

12.03812.15812.27712.39612.516

12.63512.75512.87412.99413.113

13.23213.35213.47113.59113.710

13.83013.94814.06814.18714.307

14.42714.545

10.19010.34910.50810.66710.826

10.98611.14511.30411.46311.622

11.78111.94012.09912.25812.417

12.57712.73612.89513.05413.213

13.37213.53113.69013.84914.009

14.16814.32714.48614.64514.804

14.96315.12215.28215.44115.600

15.75915.91816.07716.23616.395

16.55516.71416.87317.03217.191

17.35017.50917.66917.82817.987

18.14618.30518.46418.62318.783

18.94219.101

10.47810.63710.79610.95611.115

11.27411.43411.59311.75211.911

12.07112.22912.38912.54812.708

12.86713.02613.18513.34513.504

13.66313.82213.98114.14114.299

14.45914.61814.77714.93715.096

15.25515.41415.57315.73315.892

16.05116.21016.37016.52916.688

16.84717.00617.16617.32517.484

17.64317.80317.96218.12218.280

18.44018.59718.75718.91719.077

19.23519.394

12.73812.93613.13513.33413.533

13.73213.93114.13014.32814.527

14.72614.92515.12415.32315.522

15.72115.92016.11816.31716.516

16.71516.91417.11317.31217.511

17.71017.90918.10718.30618.505

18.70418.90319.10219.30119.500

19.69919.89820.09720.29520.494

20.69320.89221.09121.29021.489

21.68821.88722.08622.28522.484

22.68222.88123.08023.27923.478

23.67723.876

13.09713.29613.49513.69413.893

14.09214.29214.49114.69014.889

15.08815.28715.48615.68515.884

16.08316.28216.48116.68116.879

17.07917.27717.47617.67617.874

18.07418.27218.47118.67118.869

19.06919.26719.46619.66619.864

20.06420.26220.46220.66120.860

21.05921.25821.45721.65621.854

22.05422.25322.45222.65122.850

23.04923.24623.44723.64723.846

24.04524.243

15.28515.52415.76216.00116.240

16.47816.71716.95617.19417.433

17.67217.91018.14918.38718.626

18.86519.10419.34219.58119.820

20.05820.29720.53620.77421.013

21.25221.49021.72921.96822.206

22.44522.68422.92223.16123.400

23.63823.87724.11624.35524.593

24.83225.07125.30925.54825.787

26.02526.26426.50326.74226.980

27.21927.45827.69627.93528.174

28.41328.651

15.71615.95516.19416.43316.672

16.91117.15017.38817.62817.866

18.10518.34418.58318.82219.061

19.29919.53919.77720.01620.255

20.49420.73320.79121.21021.449

21.68821.92722.16522.40422.643

22.88223.12123.35923.59823.837

24.07624.31524.55424.79325.032

25.27125.51025.74925.98726.226

26.46526.70426.94327.18227.421

27.66027.89628.13628.37628.615

28.85329.091

20.38020.69821.01621.33521.653

21.97122.28922.60722.92623.244

23.56223.88024.19824.51724.835

25.15325.47125.79026.10826.426

26.74427.06327.38127.69928.017

28.33528.65428.97229.29029.608

29.92730.24530.56330.88131.200

31.51831.83632.15432.47332.791

33.10933.42833.74634.06434.382

34.70135.01935.33735.65535.974

36.29236.61036.92937.24737.565

37.88338.202

20.95521.27421.59321.91122.230

22.54822.86723.18523.50423.822

24.14124.45924.77825.09625.415

25.73326.05226.37026.68927.007

27.32627.64427.96228.28128.599

28.91829.23629.55429.87330.191

30.51030.82831.14631.46531.783

32.10232.42032.73933.05833.376

33.69534.01334.33234.65034.968

35.28735.60535.92436.24336.561

36.87937.19437.51537.83538.135

38.47138.789




A-81

ANSI SPROCKET DIMENSIONS

A -

DR

IVE

CH

AIN

S

No. ofTeeth

RS100 11⁄4” Pitch RS120 11⁄2” Pitch RS140 13⁄4” Pitch RS160 2” Pitch RS200 21⁄2” Pitch RS240 3” Pitch

PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈

910111213

1415161718

1920212223

2425262728

2930313233

3435363738

3940414243

4445464748

4950515253

5455565758

5960616263

3.6554.0454.4374.8305.223

5.6176.0126.4076.8037.198

7.5947.9918.3878.7839.180

9.5779.973

10.37010.76711.164

11.56111.95812.35612.75313.150

13.54713.94514.34214.74015.137

15.53415.93216.32916.72717.124

17.52217.91918.31718.71519.112

19.51019.90820.30520.70321.100

21.49821.89622.29322.69123.089

23.48623.88424.28224.68025.077

4.1844.5975.0075.4155.821

6.2276.6317.0347.4377.839

8.2418.6429.0439.4449.844

10.24510.64511.04511.44411.844

12.24412.64313.04313.44213.841

14.24014.63915.03815.43715.835

16.23416.63317.03217.43017.829

18.22718.62619.02419.42319.821

20.21920.61821.01721.41521.813

22.21222.61023.00823.40723.805

24.20324.60125.00025.39725.796

4.3864.8545.3245.7966.268

6.7417.2157.6898.1638.638

9.1139.589

10.06410.54011.016

11.49211.96812.44412.92113.397

13.87414.35014.82715.30315.780

16.25716.73417.21117.68718.164

18.64119.11819.59520.07220.549

21.02621.50321.98022.45822.935

23.41223.88924.36624.84325.320

25.79826.27526.75227.22927.707

28.18428.66129.13829.61630.093

5.0215.5166.0086.4986.986

7.4727.9578.4418.9249.407

9.88910.37010.85111.33211.813

12.29412.77413.25413.73314.213

14.69215.17215.65116.13016.609

17.08817.56618.04518.52419.002

19.48119.95920.43820.91621.394

21.87322.35122.82923.30823.786

24.26424.74225.22025.69826.176

26.65427.13227.61028.08828.566

29.04429.52230.00030.47730.955

5.1175.6636.2126.7627.313

7.8648.4178.9709.524

10.078

10.63211.18711.74212.29712.852

13.40713.96314.51815.07415.630

16.18616.74217.29817.85418.410

18.96619.52320.07920.63521.192

21.74822.30522.86123.41823.974

24.53125.08725.64426.20126.757

27.31427.87128.42728.98429.541

30.09730.65431.21131.76832.324

32.88133.43833.99534.55135.108

5.8586.4367.0107.5818.150

8.7189.2839.848

10.41110.975

11.53712.09912.66013.22113.782

14.34314.90315.46316.02216.582

17.14117.70018.25918.81819.377

19.93620.49421.05221.61122.169

22.72823.28623.84424.40224.960

25.51826.07626.63427.19227.750

28.30828.86529.42329.98030.538

31.09631.65432.21132.76933.327

33.88534.44235.00035.55736.114

5.8486.4727.0997.7278.357

8.9889.620

10.25210.88511.518

12.15112.78513.41914.05314.688

15.32315.95816.59317.22817.863

18.49819.13419.76920.40521.040

21.67622.31222.94723.58324.219

24.85525.49126.12726.76327.399

28.03528.67129.30729.94330.580

31.21631.85232.48833.12433.761

34.39735.03335.66936.30636.942

37.57838.21538.85139.48740.124

6.6957.3558.0118.6649.314

9.96310.60911.25511.89912.543

13.18513.82814.47015.11015.751

16.39217.03217.67118.31118.951

19.59020.22920.86821.50622.145

22.78423.42224.06024.69825.336

25.97526.61327.25127.88828.526

29.16429.80230.43931.07731.714

32.35232.98933.62634.26334.901

35.53936.17636.81337.45138.088

38.72539.36239.99940.63641.274

7.3108.0908.8729.660

10.447

11.23512.02512.81513.60514.397

15.19015.98216.77517.56718.360

19.15219.94720.74021.53522.330

23.12223.91724.71225.50526.300

27.09527.89028.68529.48030.275

31.07031.86532.66033.45534.250

35.04535.84036.63537.43038.225

39.02039.81540.61041.40542.200

42.99643.79244.58745.38246.177

46.97247.76748.56549.36050.155

8.3679.195

10.01510.83011.642

12.45513.26214.06714.87215.677

16.48217.28518.08718.88719.687

20.49021.29022.09022.89023.687

24.48725.28526.08526.88227.680

28.48029.27730.07530.87231.670

32.46733.26534.06234.86035.657

36.45537.25238.04738.84539.642

40.44041.23742.03242.83043.627

44.42245.22046.01546.81247.610

48.40749.20250.00050.79551.592

8.7719.708

10.64911.59112.536

13.48214.42915.37716.32717.276

18.22719.17720.12921.08022.032

22.98423.93624.88925.84126.794

27.74728.70029.65430.60731.560

32.51433.46734.42135.37536.329

37.28338.23739.19140.14541.099

42.05343.00743.96144.91545.869

46.82447.77848.73249.68750.641

51.59552.55053.50454.45855.413

56.36857.32258.27759.23160.185

10.04411.03412.01812.99613.971

14.94315.91216.88117.84718.813

19.77920.74221.70522.66523.628

24.58825.54826.50827.46828.425

29.38530.34231.30232.25933.219

34.17635.13336.09037.04738.004

38.96139.91840.87541.83242.789

43.74644.70345.65746.61447.571

48.52849.48550.43951.39652.353

53.30754.26455.22156.17557.132

58.08959.04360.00060.95461.911



A -

DR

IVE

CH

AIN

S

A-82

No. ofTeeth

RS100 11⁄4” Pitch RS120 11⁄2” Pitch RS140 13⁄4” Pitch RS160 2” Pitch RS200 21⁄2” Pitch RS240 3” Pitch

PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈PitchDia.

OutsideDia.

❈

6465666768

6970717273

7475767778

7980818283

8485868788

8990919293

9495969798

99100101102103

104105106107108

109110111112113

114115116117118

119120

25.47525.87326.27126.66827.066

27.46427.86228.25928.65729.055

29.45329.85030.24830.64631.044

31.44131.83932.23732.63533.033

33.43033.82834.22634.62435.022

35.41935.81736.21536.61337.011

37.40837.80638.20438.60239.000

39.39739.79540.19340.59140.989

41.38741.78442.18242.58042.978

43.37643.77444.17144.56944.967

45.36545.76346.16146.55846.956

47.35447.752

26.19426.59326.99127.38927.787

28.18528.58428.98129.38029.778

30.17630.57430.97331.37031.769

32.16632.56532.96333.36133.759

34.15834.55534.95335.35135.749

36.14836.54536.94337.34137.739

38.13838.53538.93339.33139.729

40.12840.52540.92441.32241.720

42.11842.51742.91543.31243.710

44.10844.50644.90545.30445.701

46.09946.49346.89347.29347.691

48.08948.486

30.57031.04731.52532.00232.479

32.95733.43433.91134.38834.866

35.34335.82036.29836.77537.252

37.73038.20738.68439.16239.639

40.11640.59441.07141.54842.026

42.50342.98143.45843.93544.413

44.89045.36745.84546.32246.800

47.27747.75448.23248.70949.187

49.66450.14150.61951.09651.574

52.05152.52853.00653.48353.960

54.43854.91555.39355.87056.348

56.82557.302

31.43331.91132.38932.86733.345

33.82234.30134.77835.25635.733

36.21236.68937.16737.64438.123

38.60039.07839.55540.03440.511

40.98941.46641.94342.42242.899

43.37743.85444.33144.81045.287

45.76546.24246.71947.19847.675

48.15348.63049.10949.58650.064

50.54251.02051.49851.97552.452

52.93053.40853.88654.36454.841

55.31955.79256.27256.75257.230

57.70758.183

35.66536.22236.77937.33637.892

38.44939.00639.56340.12040.677

41.23441.79042.34742.90443.461

44.01844.57545.13245.68946.246

46.80347.35947.91648.47349.030

49.58750.14450.70151.25851.814

52.37152.92853.48554.04254.499

55.15655.71356.27056.82757.384

57.94158.49859.05559.61260.169

60.72661.28361.84062.39762.954

63.51164.06864.62565.18265.739

66.29666.853

36.67237.22937.78738.34538.902

39.45940.01740.57441.13241.689

42.24742.80343.36243.91844.476

45.03345.59146.14846.70647.262

47.82148.37748.93449.49250.048

50.60751.16351.72052.27852.834

53.39353.94954.50655.06455.620

56.17956.73557.29457.85158.408

58.96659.52360.08160.63761.194

61.75162.30962.86763.42563.982

64.53965.09065.65166.21066.768

67.32567.880

40.76041.39642.03342.66943.306

43.94244.57845.21545.85146.488

47.12447.76048.39749.03349.670

50.30650.94351.57952.21652.852

53.48954.12554.76155.39856.034

56.67157.30757.94458.58059.216

59.85360.48961.12661.76262.399

63.03563.67264.30964.94565.582

66.21866.85567.49268.12868.765

69.40170.03870.67471.31171.948

72.58473.22073.85774.49475.130

75.76776.403

41.91142.54843.18543.82244.459

45.09645.73446.37047.00847.644

48.28248.91849.55650.19250.830

51.46652.10452.74053.37854.014

54.65255.28855.92456.56257.198

57.83658.47259.10859.74660.382

61.02061.65662.29262.93063.566

64.20464.84065.47866.11566.752

67.38968.02768.66469.29969.936

70.57371.21071.84872.48673.122

73.75974.38875.03075.66976.306

76.94377.577

50.95051.74552.54053.33754.132

54.92755.72256.51757.31558.110

58.90559.70060.49561.29262.087

62.88263.67764.47565.27066.065

66.86067.65768.45269.24770.042

70.83771.63572.43073.22574.020

74.81575.61276.40777.20277.997

78.79579.59080.38581.18281.977

82.77283.56784.36585.16085.955

86.75287.54788.34289.13789.935

90.73091.52592.32293.11793.912

94.70795.502

52.38753.18553.98254.77755.575

56.37057.16757.96258.76059.555

60.35261.14761.94562.74163.537

64.33265.13065.92566.72267.517

68.31569.11069.90570.70271.497

72.29573.09073.88574.68275.477

76.27577.07077.86578.66279.457

80.25581.05081.84782.64283.440

84.23585.03085.82786.62287.420

88.21589.01289.80790.60291.400

92.19592.99293.78794.58295.380

96.17596.970

61.14062.09563.04964.00464.958

65.91366.86867.82268.77769.731

70.68671.64172.59573.55074.505

75.45976.41477.36978.32379.278

80.23381.18882.14283.09784.052

85.00685.96186.91687.87188.825

89.78090.73591.69092.64593.599

94.55495.50996.46497.41898.373

99.328100.283101.238102.192103.147

104.102105.056106.011106.967107.921

108.876109.831110.786111.740112.695

113.650114.605

62.86863.82264.77965.73366.690

67.64468.60169.55570.51271.466

72.42373.37774.33475.28876.245

77.19978.15679.11080.06781.021

81.97882.93283.88684.84385.797

86.75487.70888.66589.61990.576

91.53092.48493.44194.39595.352

96.30697.26398.21799.171

100.128

101.082102.039102.993103.947104.904

105.858106.815107.769108.723109.680

110.634111.591112.545113.499114.456

115.410116.364




A-83

PITCH CONVERSION TABLE — NO. OF PITCHES CONVERTED INTO FEET

A -

DR

IVE

CH

AIN

S

No.of

Pitches

RS251⁄4”

RS353⁄8”

RS40, RS411⁄2”

RS505⁄8”

RS603⁄4”

RS801”

RS10011⁄4”

RS12011⁄2”

RS14013⁄4”

RS1602”

RS20021⁄2”

RS2403”

Lengthof

Pitches

Chain No.

Chain Length (ft.)

123456789

10

11121314151617181920

21222324252627282930

31323334353637383940

41424344454647484950

0.02080.04160.06250.08330.10410.12500.14580.16660.18750.2083

0.22920.25000.27080.29160.31250.33330.35420.37500.39580.4166

0.43750.45830.47920.50000.52080.54160.56250.58330.60240.6250

0.64580.66670.68750.70830.72920.75000.77080.79160.81250.8333

0.85420.87500.89580.91660.93750.95830.97921.00001.02081.0416

0.03130.06250.09380.12500.15630.18750.21880.25000.28130.3125

0.34380.37500.40630.43750.46880.50000.53130.56250.59380.6250

0.65630.68750.71880.75000.78130.81250.84380.87500.90630.9375

0.96881.00001.03131.06251.09381.12501.15631.18751.21881.2500

1.28131.31251.34381.37501.40631.43751.46881.50001.53131.5625

0.04170.08330.12500.16670.20830.25000.29170.33330.37500.4167

0.45940.50000.54170.58330.62500.66670.70840.75000.79170.8333

0.87500.91670.95841.00001.04171.08331.12501.16671.20841.2500

1.29171.33331.37501.41671.45841.50001.54171.58331.62501.6667

1.70841.75001.79171.83331.87501.91671.95842.00002.04172.0833

0.05210.10420.15630.20830.26040.31250.36460.41670.46880.5208

0.57290.62500.67710.72920.78130.83330.88540.93750.98961.0417

1.09381.14581.19791.25001.30211.35411.40621.45831.51041.5625

1.61641.66671.71881.77081.82291.87501.92711.97912.03122.0833

2.13542.18752.23962.29162.34372.39582.44792.50002.55212.6042

0.06250.12500.18750.25000.31250.37500.43750.50000.56250.6250

0.68750.75000.81250.87500.93751.00001.06251.12501.18751.2500

1.31251.37501.43751.50001.56251.62501.68751.76001.81251.8750

1.93752.00002.06252.12502.18752.25002.31252.37502.43752.5000

2.56252.62502.68752.75002.81252.87502.93753.00003.06253.1250

0.08330.16670.25000.33330.41670.50000.58330.66670.75000.8333

0.91671.00001.08331.16671.25001.33331.41671.50001.58331.6667

1.75001.83331.91662.00002.08332.16672.25002.33332.41672.5000

2.58832.66672.75002.83332.91673.00003.08333.16673.25003.3333

3.41673.50003.58333.66673.75003.83333.91674.00004.08334.1667

0.10420.20830.31250.41670.52080.62500.79920.83330.93751.0417

1.14581.25001.35421.45831.56251.66671.77081.87501.97922.0833

2.18752.29172.39582.50002.60422.70832.81252.91673.02083.1250

3.22923.33333.43753.54173.64593.75003.85423.95834.06254.1667

4.27094.37504.47924.58334.68754.79174.89595.00005.10425.2083

0.12500.25000.37500.50000.62500.75000.87501.00001.12591.2500

1.37501.50001.62501.75001.87502.00002.12502.25002.37502.5000

2.62502.75002.87503.00003.12503.25003.37503.50003.62503.7500

3.87504.00004.12504.25004.37504.50004.62504.75004.87505.0000

5.12505.25005.37505.50005.62505.75005.87506.00006.12506.2500

0.14580.29170.43750.58830.72220.87501.02081.16671.31251.4583

1.60411.75001.89582.04172.18752.33332.47912.72502.77082.9167

3.06253.20833.35413.50003.64583.79173.93754.08334.22914.3750

4.52084.66674.81254.95835.10415.25005.39585.54175.68755.8333

5.97916.12506.27086.41676.56256.70836.85417.00007.14587.2917

0.16670.33330.50000.66670.83331.00001.16671.33331.50001.6667

1.83332.00002.16672.33332.50002.66672.83333.00003.16673.3333

3.50003.66673.83334.00004.16674.33334.50004.66674.83335.0000

5.16675.33335.50005.66675.83336.00006.16676.33336.50006.6667

6.83337.00007.16677.33337.50007.66677.83338.00008.16678.3333

0.20830.41470.62500.83331.04171.25001.45831.66671.87502.0833

2.29172.50002.70832.91673.12503.33333.54173.75003.95834.1667

4.37504.58334.79175.00005.20835.41675.62505.83336.04176.2500

6.45836.66676.87907.08337.29177.50007.70837.91678.12508.3333

8.54178.75008.95839.16679.37509.58339.7917

10.000010.208310.4167

0.25000.50000.75001.00001.25001.50001.75002.00002.25002.5000

2.75003.00003.25003.50003.75004.00004.25004.50004.75005.0000

5.25005.50005.75006.00006.25006.50006.75007.00007.25007.5000

7.75008.00008.25008.50008.75009.00009.25009.50009.7500

10.0000

10.250010.500010.750011.000011.250011.500011.750012.000012.250012.5000

123456789

10

11121314151617181920

21222324252627282930

31323334353637383940

41424344454647484950


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PITCH CONVERSION TABLE — NO. OF PITCHES CONVERTED INTO FEET

No.of

Pitches

RS251⁄4”

RS353⁄8”

RS40, RS411⁄2”

RS505⁄8”

RS603⁄4”

RS801”

RS10011⁄4”

RS12011⁄2”

RS14013⁄4”

RS1602”

RS20021⁄2”

RS2403”

No.of

Pitches

Chain No.

Chain Length (ft.)

51525354555657585960

61626364656667686970

71727374757677787980

81828384858687888990

919293949596979899

100

51525354555657585960

61626364656667686970

71727374757677787980

81828384858687888990

919293949596979899

100

1.06251.08331.10421.12501.14581.16661.13751.20831.22921.2500

1.27081.29161.31251.33331.35421.37501.39581.41661.43751.4583

1.47921.50001.52081.54161.55251.58311.60391.62471.64561.6664

1.68721.70811.72891.74971.77061.79141.81221.83301.85391.8747

1.89551.91641.93721.95801.97891.99972.02052.04132.06222.0830

1.59381.62501.65631.68751.71881.75001.78131.81251.84381.8750

1.90631.93751.96882.00002.03132.06252.09382.12502.15632.1875

2.21882.25002.28132.31252.34382.37502.40632.43752.46882.5000

2.53132.56252.59382.62502.65632.68752.71882.75002.78132.8125

2.84382.87502.90632.93752.96883.00003.03133.06253.09383.1250

2.12502.16672.20842.25002.29172.33332.37502.41672.45842.5000

2.54172.58332.62502.66672.70842.75002.79172.83332.87502.9167

2.95843.00003.04173.08333.12503.16673.20843.25003.29173.3333

3.37503.41673.45843.50003.54173.58333.62503.66673.70843.7500

3.79173.83333.87503.91673.95844.00004.04174.08334.12504.1667

2.65632.70832.76042.81252.86472.91672.96883.02083.07293.1250

3.17713.22923.28133.33333.38543.43753.48973.54173.59383.6458

3.69793.75003.80213.85413.90623.95834.01044.06254.11464.1667

4.21884.27004.32304.37504.42714.47924.53134.58344.63554.6875

4.73964.79174.84384.89584.94795.00005.05215.10425.15635.2083

3.18753.25003.31253.37503.43753.50003.56253.62503.68703.7500

3.81253.87503.93754.00004.06254.12504.18754.25004.31254.3750

4.43754.50004.56254.62504.68754.75004.81254.87504.93755.0000

5.06255.12505.18755.25005.31255.37505.43755.50005.56255.6250

5.68755.75005.81255.87505.93756.00006.06256.12506.18756.2500

4.25004.33334.41674.50004.58334.66674.75004.83334.91665.0000

5.08335.16675.25005.33335.41675.50005.58835.66675.75005.8333

5.91676.00006.08336.16676.25006.33336.41676.50006.58336.6667

6.75006.83336.91677.00007.08337.16677.25007.33337.41677.5000

7.58337.66677.75007.83337.91678.00008.08338.16678.25008.3333

5.31255.41675.52095.62505.72925.83335.93756.04176.14596.2500

6.35426.55836.66256.76676.87096.97506.07927.18337.28757.3917

7.39507.50007.60427.70837.81257.91678.02098.12508.22828.3333

8.43758.54178.64598.75008.85428.95839.06259.16679.27099.3750

9.47929.58339.68759.79179.8959

10.000010.104210.208310.312510.4167

6.37506.50006.62506.75006.87507.00007.12507.25007.37507.5000

7.62507.75007.87508.00008.12508.25008.37508.50008.62508.7500

8.87509.00009.12509.25009.37509.50009.62509.75009.8750

10.0000

10.125010.250010.375010.500010.625010.750010.875011.000011.125011.2500

11.375011.500011.625011.750011.875012.000012.125012.250012.375012.5000

7.43757.58337.72917.87508.02088.16678.31258.45838.60418.7500

8.89589.04179.18759.33339.47919.62509.77089.9167

10.062510.2083

10.354110.500010.645810.791710.937511.083311.229111.375011.520811.6667

11.812511.958312.104112.250012.395812.541712.687512.833312.979113.1250

13.270813.416713.562513.708313.854114.000014.145814.291714.437514.5833

8.50008.66678.83339.00009.16679.33339.50009.66679.8333

10.0000

10.166710.333310.500010.666710.833311.000011.166711.333311.500011.6667

11.833312.000012.166712.333312.500012.666712.833313.000013.166713.3333

13.500013.666713.833314.000014.166714.333314.500014.666714.833315.0000

15.166715.333315.500015.666715.833316.000016.166716.333316.500016.6667

10.625010.833311.041711.250011.458311.666711.875012.083312.191712.5000

12.708312.916713.135013.333313.541713.750013.958314.166714.375014.5833

14.791715.000015.208315.416715.625015.833316.041716.250016.458316.6667

16.875017.083317.291717.500017.708317.916718.125018.333318.541718.7500

18.958319.166719.375019.583319.791720.000020.208320.416720.625020.8333

12.750013.000013.250013.500013.750014.000014.250014.500014.750015.0000

15.250015.500015.750016.000016.250016.500016.750017.000017.250017.5000

17.750018.000018.250018.500018.750019.000019.250019.500019.750020.0000

20.250020.500020.750021.000021.250021.500021.750022.000022.250022.5000

22.750023.000023.250023.500023.750024.000024.250024.500024.750025.0000


U.S. TSUBAKI DRIVE CHAINS

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USE CARE TO PREVENT INJURYCOMPLY WITH FOLLOWING TO AVOID

SERIOUS PERSONAL INJURY:1. Guards must be provided on all chain and sprocket installations in accordance with provisions of

ANSI/ASME B15.1 — 1996 “Safety Standards for Mechanical Power Transmission Apparatus,”and ANSI/ASME B20.1 — 1996 “Safety Standards for Conveyors and Related Equipment,” orother applicable safety standards. When revisions of these standards are published, the updatededition shall apply.

2. Always lock out the power switch before installing, removing, lubricating or servicing a chainsystem.

3. When connecting or disconnecting chain:a. Eye protection is required. Wear safety glasses, protective clothing, gloves and safety shoes.b. Support the chain to prevent uncontrolled movement of chain and parts.c. Use of pressing equipment is suggested. Tools must be in good condition and properly used.d. Do not attempt to connect or disconnect chain unless you understand chain construction,

including the correct direction for pin/rivet removal or insertion.e. Do not attempt to rework damaged chains by replacing only the components obviously faulty.

The entire chain may be compromised, and it should be discarded.

4. Other cautions:a. Alterations and Repairs to chains should be made only by qualified personnel with parts and

components authorized by U.S. Tsubaki.b. Electroplating of Assembled Chains is not condoned. Plating of assembled chains could

result in failure from hydrogen embrittlement.c. Inspect Chains for shipment damage before installation. During operation, all chain systems

should be inspected on a regular schedule. Visually check for worn, damaged and brokenparts caused by improper installation or maintenance, abnormal stress, temperature, humidity,abrasion or corrosion, possible interference with other system components and improperlubrication. (For correct lubrication procedures and systems, see the Engineering Section.)

d. Heating Chain with a cutting torch is not suggested unless absolutely necessary for removal.If cut in such a manner, it should not be reused.

e. Welding should not be performed on any chain or component.f. Average Ultimate Strength of a chain means the average load at which it will break when

subjected to a destructive tensile test. It does not mean working load. For completeinformation, contact U.S. Tsubaki Engineering.

g. Product Dimensions in this catalog are subject to changes and are intended for generalreference only. For exact current dimensions, request certified prints from U.S. Tsubaki.

WARNING!

Rev. 6-98


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NOTES


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