Options for the Ball Screw · 56 32 57 120 63 32 57 127 120 31 73 182 117 33 73 183 123 33 64 189...

CATALOG No.322-1E

Options for the Ball ScrewQZ LubricatorWiper Ring “W”

QZ Lubricatorfor the Ball Screw

Wiper Ring “W”

1

Wiper Ring “W”

QZ Lubricator

OPTIONSFor Ball Screws, dust-prevention and lubrication accessories are available. You can make a selection according to the application or mounting location.

2

QZ Lubricator for the Ball Screw QZ

The QZ Lubricator feeds a right amount of lubricant to the ball raceway of the ball screw shaft. This allowsan oil film to be formed between the balls and the ball raceway, thus improving lubricity andsignificantly extending the lubrication maintenance interval. Its structure consists of three major components: (1) a highly oil-impregnated fiber net (functions tostore a lubricant), (2) a high-density fiber net (to apply the lubricant to the raceway) and (3) an oil control plate(to control the flow of the lubricant). The lubricant contained in QZ Lubricator is fed to the ball screw shaft,based on the principle of capillary action, which is used in felt-tip pens and other products.

● Features● Since it supplements an oil loss, the lubrication maintenance interval can significantly be extended.● Since the right amount of lubricant is applied to the ball raceway, an environmentally friendly lubrication system that does not

contaminate the surroundings is achieved

Flow of lubricant (3) Oil control plate

(2) High-density fiber net

(1) Highly oil-impregnated fiber net

Applied directlyto the raceway

Ball screw shaft

Sealed caseBall screw nut

QZ Lubricator

QZ Lubricator

QZ fixing screw

Ball screw shaft

Ball

Ball screw nut

Air vent (see note)

Appearance Drawing Structural Drawing

2

QZ Lubricator has an air vent. Do not block the vent with grease or the like.Note

Performance■ Significantly extended maintenance intervalSince the QZ Lubricator continuously feeds lubricant over a long period, themaintenance interval can significantly be extended.

No problem after traveling 8,000 km

Distance traveled ［linear travel distance］ (km)

0 1000 2000 3000 4000 5000 6000 7000 8000

QZ Lubricator only

BIF2510

2500 min-1

25 m/min

500 mm

Internal preload only

Ball Screw

Maximum rotation speed

Maximum speed

Stroke

Load

■ Environmentally friendly lubrication systemSince QZ Lubricator feeds the right amount of lubricant directly to the raceway, thelubricant can effectively be used without waste.

Model No.: BNFN3612-5G0 + 1500LC5Travel distance: 25 km/dayTravel distance: 2,500 km

QZ Lubricator

15000

32

Forced lubrication

0 5000 10000 15000

Amount of oil (cm3)

QZ Lubricator + THK AFA Grease

32 cm3

(QZ Lubricator attached to both ends ofthe ball screw nut)

Forced lubrication

0.25 cm3/3 min×24 hours×125 days

= 15,000 cm3

Comparison

3

Reduced to approx.1

470

Wiper Ring “W” for the Ball Screw W

With Wiper Ring “W,” a special resin with high wear resistance elastically contacts the circumference of theball screw shaft and the screw thread, and eight slits remove foreign matter, thus preventing foreign matterfrom entering the ball screw nut.

● Features● A total of eight slits on the circumference remove foreign matter in succession, and prevent entrance of foreign matter.● Contacts the ball screw shaft to reduce the flowing out of grease.● Contacts the ball screw shaft at a constant pressure level using a spring, thus to minimize heat generation.● Since the material is highly resistant to wear and chemicals, its performance will not easily be deteriorated even if it is used

over a long period.

Seal snap ring

Seal snap ring

Ball screw shaft

Ball screw nut

Wiper ring

Wiper ring Spring Multi-slit

Multi-slitA Foreign

matter

Ball screw shaft

Rotational direction

Detail view of “A”

Appearance Drawing Structural Drawing

4

■ Test in an environment exposed to foreign matter [Test conditions]

0 400 800 1200 1600 2000200 600 1000 1400 1800

Wiper Ring

Labyrinth seal

Distance traveled (km)

Flaking occurs on the ball screw shaftNo problem Flaking occurs on the ball

[Test result]

Description

BIF3210-5G0 + 1500LC5

1000 min-1

10 m/min

1.8 m/s

60 ms

1s

900 mm

1.31 kN

FCD400 average particle

diameter: 250 μm

5 g/h

1) Type with Wiper RingSlight flaking occurred in the ball screw shaft at travel distance of 1,000 km.2) Type with a labyrinth sealFlaking occurred throughout the circumference of the screw shaft racewayat travel distance of 200 km.Flaking occurred on the balls after traveling 1,500 km.

00

2

4

6

8

10

12

500 1000 1500 2000Distance traveled (km)

Wea

r of

bal

l (μ

m)

Type with Labyrinth seal

Type with Wiper Ring

(1) Type with Wiper RingWear of balls at a travel distance of 2,000 km: 1.4μm.(2) Type with a labyrinth sealStarts to be worn rapidly after 500 km, and the ball wear amount at thetravel distance of 2,000 km: 11μm.

After traveling 2,000 km

● Discolored, but no breakage ● Flaking occurs

(1) Type with Wiper Ring (2) Type with a labyrinth seal

Bal

l

Unused ball Ball after traveling Unused ball Ball after traveling

00

10

20

30

40

50

60

15 30 45 60 75 90

Travel time (min)Unit : ℃

Tem

pera

ture

at s

haft

cent

er a

rea

( ℃)

Heat generation temperature

Temperature rise

With wiper ring

37.1

12.2

Without seal

34.5

8.9

With Wiper Ring

Without seal

Performance

5

Item

Model No.


Maximum speed

Maximum

circumferential speed

Time constant

Dowel

Stroke

Load

(through internal preload)

Grease

Foundry dust

Volume of foreign

matter per shaft

THK AFG Grease 8 cm3

(Initial lubrication to the ballscrew nut only)

[Test conditions]

Description

BLK3232-3.6G0 + 1426LC5

1000 min-1

32 m/min

1.7 m/s

100 ms

1000 mm

0.98 kN

THK AFG Grease 5 cm3

(contained in the ball screw nut)

Item

Model No.


Maximum speed

Maximum

circumferential speed

Time constant

Stroke

Load

(through internal load)

Grease

[Test result]■ Heat generation test

6

Model No.

L QWL QWD

WW QZ

Dimensionwith WWattached

Length ofprotrusion withQZ attached

Diameter ofprotrusion withQZ attached

AL

Dimensionwith QZWW

attached

○ ○ 53 29 31 111○ ○ 56 29 31 114○ ○ 53 27.5 39 108○ ○ 56 27.5 43 111○ ○ 48 32.5 45 113○ ○ 55 32.5 45 120○ ○ 62 33 45 128○ ○ 59 22 54 103○ ○ 63 22 54 97○ ○ 56 32 57 120○ ○ 63 32 57 127○ ○ 120 31 73 182○ ○ 117 33 73 183○ ○ 123 33 64 189○ ○ 140 35 64 210○ ○ 140 32 64 204○ ○ 119 38 66 195○ ○ 144 42 66 228○ △ 119 －－－○ △ 140 －－－○ ○ 119 38.5 79 196○ ○ 143 38.5 79 220○ ○ 169 40.5 79 250

○ ○ 110 28 69 166○ ○ 134 38 69 210○ ○ 110 30.5 79 171○ ○ 148 30.4 79 208.8○ ○ 146 40.4 79 226.8○ ○ 110 35 89 180○ ○ 149 35 89 219○ ○ 172 35 89 242○ ○ 175 45 89 265○ ○ 110 32 95 174○ ○ 149 32 95 213○ ○ 172 32 95 236

× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－

○ ○ 45 29 31 103○ ○ 41 29 31 99○ ○ 51 29 31 109○ ○ 56 29 31 114○ ○ 44 29 31 102○ ○ 62 29 31 120○ ○ 42 29 31 100○ △ 69 －－－○ △ 75 －－－

1604-51605-52004-52005-52504-52505-52506-52805-52806-53205-53206-53210-7

SBN 3212-53610-73612-73616-54012-54016-54512-54516-55012-55016-55020-5

3620-7.63636-5.64020-7.64030-7.64040-5.65020-7.65030-7.6SBK 5036-7.65050-5.65520-7.65530-7.65536-7.6

3210-53610-53612-54010-7.54012-7.55010-7.5

HBN 5012-7.55016-7.56316-7.56316-10.56320-7.5

1604-31605-2.51605-31605-5

BNF 1606-2.51606-51610-1.51810-2.51810-3

Model No.

6

With WW (without QZ) With QZ + WW

CagedBall Screw

Unit : mm Unit : mm

Nut Dimensions of Ball Screw Models Attached with Wiper Ring (without QZ,Symbol: WW) and Models Attached with QZ Lubricator (Symbol: QZWW)WW/QZWW

LNote)

QWL

QWD

AL

QWL

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

2004-2.52004-52005-2.52005-32005-3.52005-52006-2.52006-32006-3.52006-52008-2.52010A-1.52012-1.52504-2.52504-52505-2.52505-32505-3.52505-52506-2.52506-32506-3.52506-52508-2.52508-32508-3.52508-52510A-2.5

BNF 2512-2.52516-1.52805-2.52805-32805-3.52805-52805-7.52806-2.52806-3.52806-52806-7.52808-2.52808-32808-52810-2.53204-7.53205-2.53205-33205-4.53205-53205-7.53206-2.53206-33206-53208A-2.53208A-33208A-4.53208A-53210A-2.5

○ ○ 37 27.5 39 92○ ○ 49 27.5 39 104○ ○ 41 27.5 43 96○ ○ 52 27.5 43 107○ ○ 45 27.5 43 100○ ○ 56 27.5 43 111○ △ 44 －－－○ △ 56 －－－○ △ 50 －－－○ △ 62 －－－△ △ －－－－○ △ 58 －－－△ △ －－－－○ ○ 36 32.5 45 101○ ○ 48 32.5 45 113○ ○ 40 32.5 45 105○ ○ 52 32.5 45 117○ ○ 45 32.5 45 110○ ○ 55 32.5 45 120○ ○ 44 33 45 110○ ○ 56 33 45 122○ ○ 50 33 45 116○ ○ 62 33 45 128○ ○ 58 34 45 126○ ○ 71 34 45 139○ ○ 66 34 45 134○ ○ 82 34 45 150○ ○ 70 37 45 144○ ○ 60 33 45 126○ ○ 60 35 45 130○ △ 44 －－－○ △ 54 －－－○ △ 49 －－－○ △ 59 －－－○ △ 74 －－－○ △ 50 －－－○ △ 56 －－－○ △ 68 －－－○ △ 86 －－－○ △ 68 －－－○ △ 80 －－－○ △ 92 －－－○ △ 86 －－－△ △ －－－－○ ○ 41 32 57 105○ ○ 53 32 57 117○ ○ 63 32 57 127○ ○ 56 32 57 120○ ○ 71 32 57 135○ ○ 45 32 57 109○ ○ 57 32 57 121○ ○ 63 32 57 127○ ○ 58 34 57 126○ ○ 71 34 57 139○ ○ 87 34 57 155○ ○ 82 34 57 150○ ○ 70 31 73 132

CagedBall Screw

CagedBall Screw

○: supported △: supported with order ×: not supported－: not applicable

Note: “L” indicates the nut dimension of models attached with WW.Models BLW, BLK (precision and rolled), WGF, BNK 1510 or higher (excluding BNK 2010), WTF and CNF are attachedwith the wiper ring outside the nut.

Model No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attachedModel No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

7

Unit : mm Unit : mm

3210A-33210A-3.53210A-53212-3.53606-2.53606-33606-53606-7.53608-2.53608-53608-7.53610-2.53610-53610-7.53612-2.53612-53616-2.53620-1.54005-34005-4.54005-64006-2.54006-54006-7.54008-2.54008-34008-54010-2.54010-34010-3.54010-54012-2.54012-3.54012-54016-54506A-2.54506A-5

BNF 4506A-7.54508-2.54508-54508-7.54510-2.54510-34510-54510-7.54512-54520-1.55005-4.55008-2.55008-55008-7.55010-2.55010-35010-3.55010-55010-7.55012-2.55012-3.55012-55016-2.55016-55020-2.55510-2.55510-55510-7.55512-2.55512-35512-3.55512-55512-7.55516-2.55516-55520-2.55520-56310-2.56310-5

○ ○ 87 31 73 149○ ○ 80 31 73 142○ ○ 100 31 73 162○ ○ 98 33 73 164○ ○ 53 30 64 113○ ○ 62 30 64 122○ ○ 71 30 64 131○ ○ 89 30 64 149○ ○ 68 31 64 130○ ○ 92 31 64 154○ ○ 116 31 64 178○ ○ 81 33 64 147○ ○ 111 33 64 177○ ○ 141 33 64 207○ ○ 87 35 64 157○ ○ 123 35 64 193○ ○ 92 32 64 156○ ○ 75 32 64 139○ ○ 56 33 66 122○ ○ 66 33 66 132○ ○ 81 33 66 147○ ○ 48 35 66 118○ ○ 66 35 66 136○ ○ 84 35 66 154○ ○ 58 35 66 128○ ○ 71 35 66 141○ ○ 82 35 66 152○ ○ 73 37 66 147○ ○ 90 37 66 164○ ○ 83 37 66 157○ ○ 103 37 66 177○ ○ 83 38 66 159○ ○ 95 38 66 171○ ○ 119 38 66 195○ ○ 152 42 66 236○ △ 53 －－－○ △ 71 －－－○ △ 89 －－－○ △ 68 －－－○ △ 92 －－－○ △ 116 －－－○ △ 81 －－－○ △ 94 －－－○ △ 111 －－－○ △ 141 －－－○ △ 119 －－－○ △ 95 －－－○ ○ 68 35.5 79 139○ ○ 61 36.5 79 134○ ○ 85 36.5 79 158○ ○ 109 36.5 79 182○ ○ 73 37.5 79 148○ ○ 90 37.5 79 165○ ○ 83 37.5 79 158○ ○ 103 37.5 79 178○ ○ 133 37.5 79 208○ ○ 87 38.5 79 164○ ○ 99 38.5 79 176○ ○ 123 38.5 79 200○ ○ 116 38.5 79 193○ ○ 164 38.5 79 241○ ○ 141 40.5 79 222○ △ 81 －－－○ △ 111 －－－○ △ 141 －－－○ △ 93 －－－○ △ 107 －－－○ △ 105 －－－○ △ 129 －－－○ △ 165 －－－○ △ 116 －－－○ △ 164 －－－○ △ 127 －－－○ △ 187 －－－○ △ 77 －－－○ △ 107 －－－

6310-7.56312A-2.56312A-56316-56320-2.56320-57010-2.57010-57010-7.57012-2.57012-5

BNF 7012-7.57020-58010-2.58010-58010-7.58020A-2.58020A-58020A-7.510020A-2.510020A-510020A-7.5

1604-31605-2.51605-31605-51610-1.51810-2.51810-32004-2.52004-52005-2.52005-32005-3.52005-52006-2.52006-32006-3.52006-52008-2.52010A-1.52012-1.52504-2.52504-52505-2.52505-32505-3.52505-5

BNFN 2506-2.52506-32506-3.52506-52508-2.52508-32508-3.52508-52510A-2.52512-2.52516-1.52805-2.52805-32805-3.52805-52805-7.52806-2.52806-3.52806-52806-7.52808-2.52808-32808-52810-2.53205-2.53205-33205-4.5

○ △ 137 －－－△ △ －－－－△ △ －－－－△ △ －－－－○ △ 127 －－－○ △ 187 －－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－○ △ 131 －－－○ △ 191 －－－○ △ 251 －－－

○ ○ 85 29 31 143○ ○ 76 29 31 134○ ○ 96 29 31 154○ ○ 106 29 31 164○ ○ 72 29 31 130○ △ 119 －－－○ △ 135 －－－○ △ 69 －－－○ △ 93 －－－○ △ 76 －－－○ △ 97 －－－○ △ 85 －－－○ △ 106 －－－○ △ 86 －－－○ △ 110 －－－○ △ 98 －－－○ △ 122 －－－△ △ －－－－○ △ 98 －－－△ △ －－－－○ ○ 68 32.5 45 133○ ○ 92 32.5 45 157○ ○ 75 32.5 45 140○ ○ 102 32.5 45 167○ ○ 85 32.5 45 150○ ○ 105 32.5 45 170○ ○ 86 33 45 152○ ○ 110 33 45 176○ ○ 98 33 45 164○ ○ 122 33 45 188○ ○ 106 34 45 174○ ○ 135 34 45 203○ ○ 122 34 45 190○ ○ 154 34 45 222○ ○ 120 37 45 194○ ○ 108 33 45 174○ ○ 108 35 45 178○ △ 74 －－－○ △ 94 －－－○ △ 84 －－－○ △ 104 －－－○ △ 134 －－－○ △ 86 －－－○ △ 98 －－－○ △ 122 －－－○ △ 158 －－－○ △ 116 －－－○ △ 144 －－－○ △ 164 －－－○ △ 146 －－－○ ○ 76 32 57 140○ ○ 103 32 57 167○ ○ 123 32 57 187


Model No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attachedModel No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

8

Unit : mm Unit : mm

3205-53205-7.53206-2.53206-33206-53208A-2.53208A-33208A-4.53208A-53210A-2.53210A-33210A-3.53210A-53212-3.53606-2.53606-33606-53606-7.53608-2.53608-53608-7.53610-2.53610-53610-7.53612-2.53612-53616-2.53616-53620-1.54005-34005-4.54005-54005-64006-2.54006-54006-7.54008-2.5

BNFN 4008-34008-54010-2.54010-34010-3.54010-54012-2.54012-3.54012-54016-54506A-2.54506A-54506A-7.54508-2.54508-54508-7.54510-2.54510-34510-54510-7.54512-54520-1.55005-35005-4.55008-2.55008-55008-7.55010-2.55010-35010-3.55010-55010-7.55012-2.55012-3.55012-55016-2.55016-55020-2.55510-2.5

○ ○ 106 32 57 170○ ○ 136 32 57 200○ ○ 87 32 57 151○ ○ 111 32 57 175○ ○ 123 32 57 187○ ○ 106 34 57 174○ ○ 135 34 57 203○ ○ 167 34 57 235○ ○ 154 34 57 222○ ○ 130 31 73 192○ ○ 167 31 73 229○ ○ 150 31 73 212○ ○ 190 31 73 252○ ○ 170 33 73 236○ ○ 89 30 64 149○ ○ 110 30 64 170○ ○ 125 30 64 185○ ○ 161 30 64 221○ ○ 116 31 64 178○ ○ 164 31 64 226○ ○ 212 31 64 274○ ○ 141 33 64 207○ ○ 201 33 64 267○ ○ 261 33 64 327○ ○ 147 35 64 217○ ○ 219 35 64 289○ ○ 172 32 64 236○ ○ 268 32 64 332○ ○ 135 32 64 199○ ○ 106 33 66 172○ ○ 126 33 66 192○ ○ 109 33 66 175○ ○ 156 33 66 222○ ○ 90 35 66 160○ ○ 126 35 66 196○ ○ 162 35 66 232○ ○ 106 35 66 176○ ○ 135 35 66 205○ ○ 154 35 66 224○ ○ 133 37 66 207○ ○ 170 37 66 244○ ○ 153 37 66 227○ ○ 193 37 66 267○ ○ 155 38 66 231○ ○ 179 38 66 255○ ○ 227 38 66 303○ ○ 280 42 66 364○ △ 89 －－－○ △ 125 －－－○ △ 161 －－－○ △ 116 －－－○ △ 164 －－－○ △ 212 －－－○ △ 141 －－－○ △ 164 －－－○ △ 201 －－－○ △ 261 －－－○ △ 227 －－－○ △ 175 －－－○ ○ 108 35.5 79 179○ ○ 128 35.5 79 199○ ○ 109 36.5 79 182○ ○ 157 36.5 79 230○ ○ 205 36.5 79 278○ ○ 133 37.5 79 208○ ○ 170 37.5 79 245○ ○ 153 37.5 79 228○ ○ 193 37.5 79 268○ ○ 253 37.5 79 328○ ○ 159 38.5 79 236○ ○ 183 38.5 79 260○ ○ 231 38.5 79 308○ ○ 196 38.5 79 273○ ○ 292 38.5 79 369○ ○ 241 40.5 79 322○ △ 141 －－－

5510-5 5510-7.5 5512-2.5 5512-3 5512-3.5 5512-5 5512-7.5 5516-2.5 5516-5 5520-2.5 5520-5 6310-2.5 6310-5 6310-7.5 6312A-2.5 6312A-5 6316-2.5

BNFN 6316-5 6320-2.5 6320-5 7010-2.5 7010-5 7010-7.5 7012-2.5 7012-5 7012-7.5 7020-5 8010-2.5 8010-5 8010-7.5 8012-5 8020A-2.5 8020A-5 10020A-2.5 10020A-5 10020A-7.5

1605-51606-51810-32004-52005-52006-32006-52505-32505-52508-52510A-52805-52805-102806-52806-10

BIF 2810-33204-103205-53205-103206-53206-73206-103208A-53208A-73210A-53610-53610-104010-54010-104012-54012-105010-55010-10

1404-41404-6

DIK 1605-62004-62004-8

○ △ 201 －－－○ △ 261 －－－○ △ 165 －－－○ △ 191 －－－○ △ 189 －－－○ △ 237 －－－○ △ 309 －－－○ △ 196 －－－○ △ 292 －－－○ △ 227 －－－○ △ 347 －－－○ △ 137 －－－○ △ 197 －－－○ △ 257 －－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－○ △ 227 －－－○ △ 347 －－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－○ △ 231 －－－○ △ 351 －－－○ △ 471 －－－

○ ○ 56 29 31 114○ ○ 62 29 31 120○ △ 75 －－－○ △ 53 －－－○ △ 56 －－－○ △ 56 －－－○ △ 62 －－－○ ○ 52 32.5 45 117○ ○ 55 32.5 45 120○ ○ 82 34 45 150○ ○ 100 37 45 174○ △ 59 －－－○ △ 89 －－－○ △ 68 －－－○ △ 104 －－－○ △ 88 －－－△ △ －－－－○ ○ 56 32 57 120○ ○ 86 32 57 150○ ○ 63 32 57 127○ ○ 75 32 57 139○ ○ 99 32 57 163○ ○ 82 34 57 150○ ○ 98 34 57 166○ ○ 100 31 73 162○ ○ 111 33 64 177○ ○ 171 33 64 237○ ○ 103 37 66 177○ ○ 163 37 66 237○ ○ 119 38 66 195○ ○ 191 38 66 267○ ○ 103 37.5 79 178○ ○ 163 37.5 79 238

△ △ －－－－△ △ －－－－○ △ 60 －－－○ △ 62 －－－○ △ 70 －－－


9

Model No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

Unit : mm Unit : mm

2005-62006-62008-42504-62504-82505-62506-42506-62508-42508-62510-42805-62805-82806-62810-43204-63204-83204-103205-63205-8

DIK 3206-63206-83210-63212-43610-63610-83610-104010-64010-84012-64012-84016-45010-65010-85010-105012-65012-85016-45016-66310-86312-66312-8

1404-41404-61605-31605-42004-32004-42005-32005-42006-32006-42008-42504-32504-42505-32505-4

DK 2506-32506-42508-32508-42510-32510-42805-32805-42806-32806-42810-43204-33204-43205-33205-43205-63206-33206-4

○ △ 61 －－－△ △ －－－－△ △ －－－－○ △ 63 －－－○ △ 71 －－－○ △ 61 －－－○ △ 60 －－－○ △ 72 －－－○ △ 71 －－－○ △ 94 －－－○ △ 85 －－－○ △ 69 －－－○ △ 79 －－－○ △ 73 －－－○ △ 84 －－－○ △ 64 －－－○ △ 72 －－－○ △ 80 －－－○ △ 62 －－－○ △ 73 －－－○ △ 73 －－－○ △ 87 －－－○ △ 110 －－－○ △ 98 －－－○ △ 122 －－－○ △ 143 －－－○ △ 164 －－－○ ○ 113 44 61 201○ ○ 137 44 61 225○ ○ 138 44 61 226○ ○ 163 44 61 251○ ○ 120 44 61 208○ △ 114 －－－○ △ 137 －－－○ △ 160 －－－○ △ 145 －－－○ △ 170 －－－○ △ 129 －－－○ △ 175 －－－△ △ －－－－△ △ －－－－△ △ －－－－

△ △ －－－－△ △ －－－－○ △ 45 －－－○ △ 50 －－－○ △ 42 －－－○ △ 46 －－－○ △ 46 －－－○ △ 51 －－－△ △ －－－－△ △ －－－－△ △ －－－－○ △ 43 －－－○ △ 47 －－－○ △ 46 －－－○ △ 51 －－－○ △ 52 －－－○ △ 60 －－－○ △ 62 －－－○ △ 71 －－－○ △ 80 －－－○ △ 85 －－－○ △ 49 －－－○ △ 54 －－－○ △ 53 －－－○ △ 61 －－－○ △ 84 －－－○ △ 44 －－－○ △ 48 －－－○ △ 47 －－－○ △ 52 －－－○ △ 62 －－－○ △ 53 －－－○ △ 61 －－－

3210-33210-43212-43610-33610-44010-34010-44012-34012-44016-44020-3

DK 5010-35010-45010-65012-35012-45016-35016-45020-36310-46310-66312-36312-46320-3

4020-3DKN 5020-3

6320-3

1510-5.61616-3.62020-3.6

BLW 2525-3.63232-3.63636-3.64040-3.65050-3.6

1510-5.61616-2.81616-3.62020-2.82020-3.62525-2.82525-3.6

BLK 3232-2.83232-3.6（precision）3620-5.63624-5.63636-2.83636-3.64040-2.84040-3.65050-2.85050-3.6

0812-31015-31320-31520-1.51520-31530-11530-31540-1.52040-1

WGF 2040-32060-1.52550-12550-33060-13060-33090-1.54080-14080-350100-150100-3

○ △ 80 －－－○ △ 90 －－－○ △ 98 －－－○ △ 82 －－－○ △ 93 －－－○ ○ 83 44 61 171○ ○ 93 44 61 181○ ○ 90 44 61 178○ ○ 103 44 61 191○ ○ 120 44 61 208○ ○ 123 44 61 211○ △ 83 －－－○ △ 93 －－－○ △ 114 －－－○ △ 97 －－－○ △ 110 －－－○ △ 111 －－－○ △ 129 －－－○ △ 136 －－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－

○ ○ 233 47 61 327○ △ 243 －－－△ △ －－－－

○ ○ 96 25.5 31 140△ ○ － 29 31 (142.5)○ △ 112 －－－○ △ 131.5 －－－○ ○ 162.6 37.5 53 230○ △ 191 －－－○ △ 201.8 －－－○ △ 255.8 －－－

○ ○ 51 25.5 31 95△ ○ － 29 31 (112)△ ○ － 29 31 (96)○ △ 72 －－－○ △ 52 －－－○ △ 87 －－－○ △ 62 －－－○ ○ 109.6 37.5 53 177○ ○ 77.6 37.5 53 145○ △ 88 －－－△ △ －－－－○ △ 123 －－－○ △ 87 －－－○ △ 135.8 －－－○ △ 95.8 －－－○ △ 166.8 －－－○ △ 116.8 －－－

× × －－－－× × －－－－× × －－－－○ ○ 52 25.5 31 96○ ○ 52 25.5 31 96× ○ － 25.5 31 (84)× ○ － 25.5 31 (114)× ○ － 25.5 31 (93)× △ －－－－× △ －－－－× △ －－－－× △ －－－－× △ －－－－× ○ － 37.5 53 (137)× ○ － 37.5 53 (197)× ○ － 37.5 53 (167)× △ －－－－× △ －－－－× △ －－－－× △ －－－－


*: The numbers in the parentheses indicate the dimensions of models attachedwith QZ Lubricator without WW.

Model No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

Model No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attachedModel No.

L QWL QWD

WW QZ




AL

Dimensionwith QZWW

attached

10

BNFN2505-2.5 QZ WW G0 +1000L C5Example of model coding

Model number

With QZ Lubricatorattached

Axial clearancesymbol

Accuracy symbol

Overall screw shaft (in mm)

With Wiper Ring attached

Unit : mm Unit : mm

0401-30501-30601-30801-30802-30810-31002-31004-2.51010-1.5

BNK 1205-2.51402-31404-31408-2.51510-5.61520-31616-3.62010-2.52020-3.62520-3.6

1404-3.61405-2.61605-2.61808-3.62005-2.6

BNT 2010-2.6（precision/

2505-2.6rolled） 2510-5.3

2806-2.62806-5.33210-2.63210-5.33610-2.63610-5.34512-5.3

1510-5.61616-3.61616-7.22020-3.62020-7.22525-3.62525-7.23232-3.6

BLK 3232-7.2（rolled） 3620-5.6

3624-5.63636-3.63636-7.24040-3.64040-7.25050-3.65050-7.2

× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－× △ －－－－△ △ －－－－△ △ －－－－○ ○ 51 25.5 31 95△ ○ － 25.5 31 (96)△ ○ － 25.5 31 (93)○ △ 54 －－－○ △ 59 －－－△ △ －－－－

△ △ －－－－△ △ 35 －－－△ △ 36 29 31 94△ △ －－－－△ △ 35 －－－△ △ 58 －－－△ △ 35 －－－△ △ 94 －－－△ △ 42 －－－△ △ 67 －－－△ △ 64 －－－△ △ 94 －－－△ △ 64 －－－△ △ 96 －－－△ △ 115 －－－

○ ○ 51 25.5 31 95△ ○ － 29 31 (96)△ ○ － 29 31 (96)○ △ 52 －－－○ △ 52 －－－○ △ 62 －－－○ △ 62 －－－○ ○ 77.6 37.5 53 145○ ○ 77.6 37.5 53 145○ △ 88 －－－○ △ 104 －－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－△ △ －－－－

1520-31520-61530-21530-32040-22040-3

WTF 2550-22550-33060-23060-34080-24080-350100-250100-3

1530-6CNF 2040-6

2550-63060-6

0401-3.70601-3.70802-3.7

MBF 1002-3.71202-3.71402-3.71404-3.7

1006-2.61208-2.61404-3.61405-2.61605-2.61808-3.62005-2.62010-2.6

BTK 2505-2.62510-5.32806-2.62806-5.33210-2.63210-5.33610-2.63610-5.34010-5.34512-5.35016-5.3

1404-41405-4 1605-4 2005-6 2505-6

JPF 2510-4 2805-6 2806-6 3210-6 3610-6 4010-6

○ ○ 52 25.5 31 96○ ○ 52 25.5 31 96× ○ － 25.5 31 (84)× ○ － 25.5 31 (114)× △ －－－－× △ －－－－× △ －－－－× △ －－－－× ○ － 37.5 53 (137.5)× ○ － 37.5 53 (197.5)× △ －－－－× △ －－－－× △ －－－－× △ －－－－

× ○ － 25.5 31 (114)× △ －－－－× △ －－－－× ○ － 37.5 53 (197)

× × －－－－× × －－－－× × －－－－× × －－－－× × －－－－△ △ －－－－△ △ －－－－

× △ －－－－× △ －－－－△ △ －－－－○ △ 40 －－－○ △ 40 －－－△ △ －－－－○ △ 40 －－－○ △ 61 －－－○ △ 40 －－－○ ○ 98 32.5 45 163○ △ 47 －－－○ △ 65 －－－○ ○ 68 32 57 132○ ○ 98 32 57 162○ ○ 70 31 64 132○ ○ 100 31 64 162○ ○ 100 34 66 168△ △ －－－－○ ○ 145 35 79 215

△ × －－－－△ × －－－－○ × 60 －－－○ × 80 －－－○ × 80 －－－○ × 112 －－－○ × 80 －－－○ × 90 －－－○ × 135 －－－○ × 138 －－－○ × 138 －－－


QZ Lubricator and Wiper Ring "W" are not sold aloneNote

*: The numbers in the parentheses indicate the dimensions of models attachedwith QZ Lubricator without WW.

Options for the Ball Screw

Precautions on UseQZ Lubricator for the Ball Screw

� Handling� Dropping or hitting this product may damage it. Take much care when handling it.� Needlessly disassembling this product may cause foreign matter to enter the system or accuracy to deteriorate. Do not

disassemble the product unless it is inevitable to do so.� Do not clean the product with an organic solvent or white kerosene. � Do not leave the product unpacked over a long period.� The model number indication section has a hole for air release. Do not block it with grease or the like.

� Service temperature range� The service temperature range for this product is between -10℃and +50℃. When desiring to use the product out of the service

temperature range, contact THK in advance.� Use in a special environment

� When desiring to use the product in a special environment, contact THK in advance.� Rust prevention

� QZ Lubricator is a device designed to feed the required minimum amount of lubricant to the ball raceway, and therefore it does nothave a dust-prevention effect on the whole Ball Screw.

Wiper Ring “W” for the Ball Screw� Handling

� Dropping or hitting this product may damage it. Take much care when handling it.� Needlessly disassembling this product may cause foreign matter to enter the system or accuracy to deteriorate. Do not

disassemble the product unless it is inevitable to do so.� When desiring to use the product in an adverse environment, we recommend using both the wiper ring and QZ Lubricator.

� Service temperature range� The service temperature range for this product is between -20℃ and +80℃. When desiring to use the product out of the service

temperature range, contact THK in advance.� Use in a special environment

� When desiring to use the product in a special environment, contact THK in advance.� Chemical resistance

� Do not use this product in an atmosphere where the product may come in contact with a solvent such as acid or alkali.

● “LM GUIDE” and “ ” are registered trademarks of THK CO., LTD.● The photo may differ slightly in appearance from the actual product.● The appearance and specifications of the product are subject to change without notice. Contact THK before placing an order.● Although great care has been taken in the production of this catalog, THK will not take any responsibility for damage resulting from typographical errors or omissions.● For the export of our products or technologies and for the sale for exports, THK in principle complies with the foreign exchange law and the Foreign Exchange

and Foreign Trade Control Law as well as other relevant laws.For export of THK products as single items, contact THK in advance.

All rights reserved

HEAD OFFICE 3-11-6, NISHI-GOTANDA, SHINAGAWA-KU, TOKYO 141-8503 JAPAN INTERNATIONAL SALES DEPARTMENT PHONE:+81-3-5434-0351 FAX:+81-3-5434-0353

TAIWANTHK TAIWAN CO.,LTD.

TAIPEI HEAD OFFICEPhone:+886-2-2888-3818TAICHUNG OFFICEPhone:+886-4-2359-1505 TAINAN OFFICEPhone:+886-6-289-7668

KOREASEOUL REPRESENTATIVE OFFICE

Phone:+82-2-3468-4351SINGAPORETHK LM SYSTEM Pte. Ltd.

NORTH AMERICATHK America,Inc.

HEADQUARTERSPhone:+1-847-310-1111 Fax:+1-847-310-1271CHICAGO OFFICEPhone:+1-847-310-1111 Fax:+1-847-310-1182NEW YORK OFFICEPhone:+1-845-369-4035 Fax:+1-845-369-4909ATLANTA OFFICEPhone:+1-770-840-7990 Fax:+1-770-840-7897LOS ANGELES OFFICEPhone:+1-949-955-3145 Fax:+1-949-955-3149SAN FRANCISCO OFFICEPhone:+1-925-455-8948 Fax:+1-925-455-8965BOSTON OFFICEPhone:+1-781-575-1151 Fax:+1-781-575-9295DETROIT OFFICEPhone:+1-248-858-9330 Fax:+1-248-858-9455TORONTO OFFICEPhone:+1-905-820-7800 Fax:+1-905-820-7811

SOUTH AMERICATHK Brasil LTDA

Phone:+55-11-3767-0100 Fax:+55-11-3767-0101EUROPETHK GmbH

DÜSSELDORF OFFICEPhone:+49-2102-7425-0 Fax:+49-2102-7425-299

EUROPEAN HEADQUARTERSPhone:+49-2102-7425-0 Fax:+49-2102-7425-217

SHANGHAI OFFICEPhone:+86-21-6219-3000 Fax:+86-21-6219-9890BEIJING OFFICEPhone:+86-10-8441-7277 Fax:+86-10-6590-3557CHENGDU OFFICEPhone:+86-28-8526-8025 Fax:+86-28-8525-6357GUANGZHOU OFFICEPhone:+86-20-8333-9770 Fax:+86-20-8333-9726

CHINATHK (CHINA) CO.,LTD.

TURKEY OFFICEPhone:+90-216-362-4050 Fax:+90-216-569-7150PRAGUE OFFICEPhone:+420-2-41025-100 Fax:+420-2-41025-199

FRANKFURT OFFICEPhone:+49-2102-7425-650 Fax:+49-2102-7425-699STUTTGART OFFICEPhone:+49-7150-9199-0 Fax:+49-7150-9199-888MÜNCHEN OFFICEPhone:+49-8937-0616-0 Fax:+49-8937-0616-26U.K. OFFICEPhone:+44-1908-30-3050 Fax:+44-1908-30-3070ITALY MILANO OFFICEPhone:+39-039-284-2079 Fax:+39-039-284-2527ITALY BOLOGNA OFFICEPhone:+39-051-641-2211 Fax:+39-051-641-2230SWEDEN OFFICEPhone:+46-8-445-7630 Fax:+46-8-445-7639 AUSTRIA OFFICEPhone:+43-7229-51400 Fax:+43-7229-51400-79SPAIN OFFICEPhone:+34-93-652-5740 Fax:+34-93-652-5746

THK France S.A.S.Phone:+33-4-3749-1400 Fax:+33-4-3749-1401

HEADQUARTERSPhone:+86-411-8733-7111 Fax:+86-411-8733-7000

THK (SHANGHAI) CO.,LTD.Phone:+86-21-6275-5280 Fax:+86-21-6219-9890

Fax:+886-2-2888-3819

Fax:+886-4-2359-1506

Fax:+886-6-289-7669

Fax:+82-2-3468-4353

Fax:+65-6884-5550INDIABANGALORE REPRESENTATIVE OFFICE

Phone:+91-80-2330-1524

Phone:+65-6884-5500

Fax:+91-80-2314-8226

Global site : http://www.thk.com/

©THK CO., LTD. 20080403 E5 Printed in Japan

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