Deep Groove Ball Bearings - National Bearings...

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Deep Groove Ball Bearings

Deep groove ball bearings mainly take radial load as well as take moderate axial load. With less coefficient of friction, high limiting speed, large size range and variations of struc-ture, they are suitable for precision instrument, low noise motors, automobiles, motorcy-cles, and other common machinery, as a widely used type of bearings in machinery industry.

Deep Groove Ball Bearings Variations of Structure

Open Type Shielded Type Rubber Seals Snap Ring

ZZ 2RS NR

680, 690, 600, 620, 630, miniature bearing 6800, 6900, 16000, 6000, 6200, 6300, 6400

NationalBearings


Bearing number

Boundary dimensions (mm) Basic load ratings (kN)

Limiting speeds (mm)weight

(kg)Grease Oil

d D B rmin Cr Cor -2Z -2RS

695 5 13 4 0.2 1.08 0.43 43000 28000 50000 0.0025

605 5 14 5 0.2 1.33 0.505 40000 26000 47000 0.0035

625 5 16 5 0.3 1.46 0.56 43000 24000 50000 0.005

635 5 19 6 0.3 2.24 0.863 36000 22000 43000 0.009

696 6 15 5 0.2 1.73 0.67 38000 26000 45000 0.0037

606 6 17 6 0.3 2.26 0.835 34000 24000 40000 0.0066

626 6 19 6 0.3 2.23 0.895 36000 22000 43000 0.0084

636 6 22 7 0.3 3.3 1.35 30000 20000 37000 0.013

697 7 17 5 0.3 2.34 0.71 34000 23000 43000 0.0051

607 7 19 6 0.3 2.24 0.895 43000 22000 50000 0.0078

627 7 22 7 0.3 3.28 1.36 32000 20000 38000 0.0126

637 7 26 9 1.3 3.34 1.35 27000 18000 33000 0.024

698 8 19 6 0.3 2.24 0.91 34000 22000 41000 0.0072

608 8 22 7 0.3 3.28 1.36 31000 20000 43000 0.0119

628 8 24 8 0.3 3.32 1.43 31000 18000 36000 0.0172

638 8 28 9 0.3 3.53 1.94 26000 16000 31000 0.027

699 9 20 6 0.3 1.72 0.84 34000 20000 40000 0.0083

609 9 24 7 0.3 3.32 1.43 32000 19000 38000 0.0148

629 9 26 8 0.3 4.55 1.96 28000 18000 34000 0.0193

639 9 30 10 0.6 5.1 2.23 23000 16000 29000 0.034

Open Type Two Shields(ZZ)

Two Rubber Seals(2RS)

NationalBearings




Bearing number



(kg)Grease Oil


6800 10 19 5 0.3 1.72 0.84 34000 24000 40000 0.005

6900 10 22 6 0.3 2.7 1.27 32000 22000 38000 0.009

6000 10 26 8 0.3 4.59 1.97 30000 19000 36000 0.0197

6200 10 30 9 0.6 5.1 2.39 24000 17000 30000 0.0317

6300 10 35 11 0.6 7.66 3.47 20000 15000 26000 0.0548

6801 12 21 5 0.3 1.92 1.04 32000 20000 38000 0.006

6901 12 24 6 0.3 2.89 1.46 30000 20000 36000 0.01

6001 12 28 8 0.3 5.1 2.39 26000 17000 32000 0.0215

6201 12 32 10 0.6 6.76 3.05 22000 15000 28000 0.0364

6301 12 37 12 1 8.58 3.92 19000 14000 24000 0.0629

6802 15 24 5 0.3 2.07 1.26 28000 17000 34000 0.007

6902 15 28 7 0.3 4.35 2.26 26000 17000 30000 0.015

6002 15 32 9 0.3 5.62 2.84 22000 14000 28000 0.0307

6202 15 35 11 0.6 7.66 3.72 19000 13000 24000 0.0451

6302 15 42 13 1 11.4 5.4 17000 12000 20000 0.0826

6803 17 26 5 0.3 2.63 1.57 26000 15000 30000 0.007

6903 17 30 7 0.3 4.6 2.55 24000 15000 28000 0.017

6003 17 35 10 0.3 6.5 3.36 19000 13000 24000 0.0392

NationalBearings




Bearing number



(kg)Grease Oil


6203 17 40 12 0.6 10.3 4.79 17000 12000 20000 0.0649

6303 17 47 14 1 13.5 6.55 16000 11000 19000 0.116

6804 20 32 7 0.3 4 3.47 22000 13000 26000 0.017

6904 20 37 9 0.3 6.4 3.7 19000 12000 22000 0.037

6004 20 42 12 0.6 9.44 5.03 17000 11000 20000 0.0693

6204 20 47 14 1 12.99 6.65 15000 10000 18000 0.103

6304 20 52 15 1.1 16 7.88 13000 9500 16000 0.146

6805 25 37 7 0.3 4.3 2.95 18000 10000 22000 0.021

6905 25 42 9 0.3 7.05 4.55 16000 10000 19000 0.042

6005 25 47 12 0.6 10.1 5.85 15000 9500 18000 0.0804

6205 25 52 15 1 14 7.87 12000 8500 15000 0.128

6305 25 62 17 1.1 15.5 11.6 11000 7500 14000 0.227

6806 30 42 7 0.3 4.5 3.45 15000 9000 18000 0.024

6906 30 47 9 0.3 7.25 5 14000 8500 17000 0.052

6006 30 55 13 1 13.3 8.36 12000 8000 15000 0.117

6206 30 62 16 1 19.5 11.3 10000 7500 13000 0.203

6306 30 72 19 1.1 26.7 14.9 9000 6300 11000 0.356

NationalBearings




Bearing number



(kg)Grease Oil


6807 35 47 7 0.3 4.75 3.9 13000 7500 16000 0.027

6907 35 55 10 0.6 10.6 7.25 12000 7100 15000 0.075

6007 35 62 14 1 16 10.3 10000 7000 13000 0.152

6207 35 72 17 1.1 25.6 15.35 9000 6300 11000 0.286

6307 35 80 21 1.5 33.4 19.2 8500 6000 1000 0.456

6808 40 52 7 0.3 4.9 4.35 12000 6700 14000 0.031

6908 40 62 12 0.6 13.7 10.1 11000 6500 13000 0.112

6008 40 68 15 1 16.8 11.6 9500 6300 12000 0.189

6208 40 80 18 1.1 27.6 147.4 8500 5600 10000 0.375

6308 40 90 23 1.5 10.8 24 7500 5000 9000 0.645

6809 45 58 7 0.3 5.35 5.25 11000 6000 13000 0.038

6909 45 68 12 0.6 14.1 10.9 9500 5800 12000 0.126

6009 45 75 16 1 19.9 14 9000 5600 11000 0.242

6209 45 85 19 1.1 31.2 20.4 7500 5000 9000 0.423

6309 45 100 25 1.5 48.9 29.3 6700 4500 8000 0.858

6810 50 65 7 0.3 6.42 6.19 9500 5300 11000 0.051

6910 50 72 12 0.6 14.5 11.7 9000 5200 10500 0.135

NationalBearings




Bearing number



(kg)Grease Oil


6010 50 80 16 1 20.7 15.4 8500 5000 10000 0.262

6210 50 90 20 1.1 35.1 23.2 7000 4800 8500 0.47

6310 50 110 27 2 57.5 35.3 6300 4300 7500 1.1

6811 55 72 9 03 8.8 8.51 8500 4800 10000 0.081

6911 55 80 13 1.0 16.0 13.3 8000 4600 9500 0.189

6011 55 90 18 1.1 26.7 20.1 7500 4500 9000 0.382

6211 55 100 21 1.5 43.4 29.2 6300 4300 7500 0.612

6311 55 130 31 2.1 71.6 44.8 5600 3800 67 1.38

6812 60 78 10 0.3 11.5 10.9 8000 4500 9500 0.103

6912 60 85 13 1.0 19.4 16.3 7500 4400 9000 0.192

6012 60 95 18 1.1 30.2 23 6700 4300 8000 0.399

6212 60 110 22 1.5 47.8 32.9 6000 4000 7000 0.809

6312 60 130 31 2.1 81.9 51.8 5000 3400 6000 1.72

6813 65 85 10 0.6 11.9 12.1 7500 ---- 8600 0.128

6913 62 90 13 1.0 17.4 16.1 7100 4000 8300 0.218

6013 65 100 18 1.1 31.9 24.9 6300 4000 7500 0.417

6213 65 120 23 1.5 50.7 37.1 5300 3600 6300 1.05

6313 65 140 33 2.1 92.8 59.7 4800 3200 5600 2.12

NationalBearings




Bearing number



(kg)Grease Oil


6014 70 110 20 1.1 38.7 30.4 6000 3600 7000 0.59

6214 70 125 24 1.5 55.8 41.1 5000 3400 6000 1.12

6314 70 150 35 2.1 104 68 4500 3000 5300 2.56

6015 75 115 20 1.1 40.3 33.2 5600 3400 6700 0.621

6215 75 130 25 1.5 60.8 45.4 4800 3200 5600 1.2

6315 75 160 37 2.1 113 77 4300 2800 5000 3.06

6016 80 125 22 1.1 42.4 35.6 5300 3200 6300 0.862

6216 80 140 26 2 71.5 54.3 4500 3000 5300 1.46

6316 80 170 39 2.1 123 86.5 3800 2600 4500 3.62

6017 85 130 22 1.1 47.3 40.1 5000 3000 6000 0.886

6217 85 150 28 2 77.2 59.3 4300 2800 5000 1.84

6317 85 180 41 3 133 96.5 3600 2400 4300 4.35

6018 90 140 24 1.5 52.8 45.1 4800 2800 5600 1.19

6218 90 160 30 2 96.1 71.5 3800 2600 4500 2.63

6318 90 190 43 3 143 107 3400 2400 4000 5.87

6019 95 145 24 4.5 58 50.1 4500 2800 5300 1.16

NationalBearings


Bearing number



(kg)Grease Oil


6219 95 170 32 2.1 109 81.7 3600 2400 4300 2.19

6319 95 200 45 3 153 118 3200 2300 3800 5.07

6020 100 150 24 1.5 63.7 50.4 1300 2600 5000 1.15

6220 100 180 24 2.1 122 92.7 3400 2400 400 3.15

6320 100 215 47 3 173 140 3000 2200 3600 7

6021 105 160 26 2 69.8 61.2 4000 2400 4800 1.59

6221 105 190 36 201 133 104 3200 2200 3800 3.7

6321 105 225 49 3 182 153 2800 2100 3400 8.05

6022 110 170 28 2 75.1 67.3 3800 2400 4500 1.96

6222 110 200 38 2.1 144 117 3000 2000 36000 4.45

6322 110 240 50 3 203 180 2600 1900 3200 9.54

6024 120 180 28 2 88.3 79.7 3400 2200 4000 2.05

6224 120 215 40 2.1 156 131 2800 1900 3400 5.26

6026 130 200 33 2 102 3.9 3200 2000 3800 3.15

6226 130 230 40 3 156 132 2600 1700 3200 5.8



NationalBearings


Bearing number

Boundary dimensions (inch) Basic load ratings (kN)


(kg)Grease Oil


62200 10 30 14 0.6 5.10 2.39 ------- 18000 30000 0.04

62201 12 32 14 0.6 6.80 3.05 ------- 17000 28000 0.045

62202 15 35 13 0.6 7.65 3.75 ------- 14000 24000 0.054

62203 17 40 16 0.6 9.55 4.80 ------- 12000 20000 0.083

62204 20 47 18 1.0 12.8 6.60 ------- 10500 18000 0.13

62205 25 52 18 1.0 14.0 7.85 ------- 9000 15000 0.152

62206 30 62 19 1.0 19.5 11.3 ------- 7500 13000 0.244

62207 35 72 23 1.1 25.7 15.3 ------- 6300 11000 0.377

62208 40 80 23 1.1 29.1 17.8 ------- 5600 10000 0.442

Bearing number



(kg)Grease Oil


63000 10 26 12 0.3 4.55 1.97 ------- 22000 36000 0.025

63001 12 28 12 0.3 5.10 2.37 ------- 18000 32000 0.029

63002 15 32 13 0.3 5.60 2.83 ------- 15000 28000 0.039

63003 17 35 14 0.3 6.00 3.25 ------- 13000 26000 0.052

63004 20 42 16 0.6 9.40 5.00 ------- 11000 20000 0.086

63005 25 47 16 0.6 10.1 5.85 ------- 9500 18000 0.102

63006 30 55 19 1.0 13.2 8.3 ------- 8000 15000 0.163

63007 35 62 20 1.0 16.0 10.3 ------- 6700 13000 0.216

63008 40 68 21 1.0 16.8 11.5 ------- 6000 12000 0.261



NationalBearings




Bearing number



(kg)Grease Oil


R3/EE1 3/16 1/2 5/32 0.012 1.4 0.415 40000 ------ 50000 0.00321

R4A/EE2 1/4 3/4 9/32 0.016 2.55 1.05 28000 22000 38000 0.00725

R4/EE2 1/4 5/8 25/128 0.012 1.55 0.622 33000 22000 40000 0.00655

R6/EE3 3/8 7/8 7/32 0.016 3.46 1.41 29000 18000 36000 0.0111

R8/EE4 1/2 1.1/8 5/16 0.016 5.29 2.37 26000 17000 32000 0.023

R10/EE5 5/8 1.3/8 11/32 0.031 6.32 3.25 22000 13000 28000 0.035

R12/EE6 3/4 1.5/8 7/16 0.031 8.22 4.4 17000 11500 22500 0.066

R14/EE8 7/8 1.7/8 1/2 0.031 12.0 6.4 14500 11500 20000 0.102

R16/EE9 1 2 1/2 0.031 11.8 7.18 13600 9500 18500 0.085

R18/EE10 1.1/8 2.1/8 1/2 0.031 11.7 7.3 13000 8500 17500 0.088

Bearing number



(kg)Grease Oil


RMS 4 1/2 1.5/8 5/8 0.063 12.1 5.10 ------- 12500 25000 0.096

RMS 5 5/8 1.13/16 5/8 0.063 12.6 5.55 ------- 10000 22000 0.117

RMS 6 3/4 2 11/16 0.063 16.5 7.85 ------- 9000 20000 0.156

RMS 7 7/8 2.1/4 11/16 0.063 19.2 9.40 ------- 9000 18000 0.197

RMS 8 1 2.1/2 3/4 0.094 22.1 11.0 ------- 8000 16000 0.262

RMS 9 1.1/8 2.13/16 13/16 0.094 30.8 16.6 ------- 7000 14000 0.347

RMS 10 1.1/4 3.1/8 7/8 0.094 37.7 19.6 ------- 6000 12500 0.476

RMS 11 1.3/8 3.1/2 7/8 0.094 45.3 24.0 ------- 8500 11500 0.608

RMS 12 1.1/2 3.1/4 15/16 0.094 49.5 26.7 ------- 5700 11000 0.753

Deep Groove Ball Bearings Inch Series

NationalBearings




Deep Groove Ball Bearings Inch Series

Bearing number



(kg)Grease Oil


RLS4 1/2 1.5/16 3/8 0.031 7.15 3.09 ------- 15000 30000 0.037

RLS5 5/8 1.9/16 3/8 0.031 10.9 5.25 ------- 12000 24000 0.059

RLS6 3/4 1.7/8 9/16 0.031 14.2 6.70 ------- 10000 21000 0.109

RLS7 7/8 2 9/16 0.031 14.4 7.00 ------- 9500 19000 0.116

RLS8 1 2.1/4 5/8 0.063 18.6 9.70 ------- 8500 17000 0.169

RLS9 1.1/8 2.1/2 5/8 0.063 20.2 11.3 ------- 8000 15000 0.219

RLS10 1.1/4 2.3/4 11/16 0.063 27.7 15.0 ------- 6500 13500 0.276

RLS11 1.3/8 3 11/16 0.063 30.2 17.5 ------- 9500 13000 0.333

RLS12 1.1/2 6 3/4 0.094 34.8 20.0 ------- 6300 12000 0.418

NationalBearings




Bearing number



(kg)Grease Oil


S685 5 11 3 0.15 0.72 0.28 ------- 43000 ------- 0.0011

S695 5 13 4 0.20 1.08 0.43 ------- 40000 ------- 0.0024

S605 5 14 5 0.20 1.33 0.51 ------- 39000 ------- 0.0035

S625 5 16 5 0.30 1.76 0.68 ------- 37000 ------- 0.0048

S635 5 19 6 0.30 2.34 0.89 ------- 34000 ------- 0.0080

S686 6 13 4 0.15 1.08 0.44 ------- 39000 ------- 0.0019

S696 6 15 5 0.20 1.35 0.53 ------- 37000 ------- 0.0038

S606 6 17 6 0.30 2.91 0.87 ------- 35000 ------- 0.0060

S626 6 19 6 0.30 2.34 0.89 ------- 34000 ------- 0.0080

S636 6 22 7 0.30 3.30 1.35 ------- 31000 ------- 0.0130

S687 7 14 4 0.15 1.17 0.51 ------- 37000 ------- 0.0021

S697 7 17 5 0.3 1.61 0.72 ------- 35000 ------- 0.0052

S607 7 19 6 0.3 2.24 0.91 ------- 34000 ------- 0.0080

S627 7 22 7 0.3 3.35 1.40 ------- 32000 ------- 0.0130

S637 7 26 9 0.3 4.55 1.95 ------- 26000 ------- 0.0240

S688 8 16 4 0.2 1.26 0.59 ------- 35000 ------- 0.0031

S698 8 19 6 0.3 1.99 0.87 ------- 33000 ------- 0.0073

S608 8 22 7 0.3 3.35 1.4 ------- 32000 ------- 0.0120

Deep Groove Ball Bearings Stainless Steel

NationalBearings





Bearing number



(kg)Grease Oil


S628 8 24 8 0.3 4.00 1.59 ------- 31000 ------- 0.0170

S638 8 28 9 0.3 4.55 1.95 ------- 26000 ------- 0.0290

S689 9 17 4 0.3 1.72 0.82 ------- 33000 ------- 0.0032

S699 9 20 6 0.3 2.48 1.09 ------- 32000 ------- 0.0082

S609 9 24 7 0.3 3.4 1.45 ------- 31000 ------- 0.0140

S629 9 26 8 0.3 4.55 1.96 ------- 26000 ------- 0.0200

S639 9 30 10 0.3 6.00 2.65 ------- 24000 ------- 0.0350

S6000 10 26 8 0.30 4.55 1.96 ------- 29000 34000 0.019

S6001 12 28 8 0.30 5.10 2.39 ------- 26000 30000 0.021

S6002 15 32 9 0.30 5.60 2.84 ------- 22000 26000 0.030

S6003 17 35 10 0.30 6.80 3.35 ------- 20000 24000 0.039

S6004 20 42 12 0.60 9.40 5.05 ------- 18000 21000 0.069

S6005 25 47 12 0.60 10.10 5.85 ------- 15000 18000 0.080

S6006 30 55 13 1.00 13.20 8.30 ------- 13000 15000 0.116

S6007 35 62 14 1.00 16.00 10.30 ------- 12000 14000 0.155

S6008 40 68 15 1.00 16.80 11.50 ------- 10000 12000 0.190

S6009 45 75 16 1.00 21.00 15.10 ------- 9200 11000 0.237

S6010 50 80 16 1.00 21.80 16.60 ------- 8400 9800 0.261

NationalBearings





Bearing number



(kg)Grease Oil


S6200 10 28 9 0.60 5.10 2.39 ------- 25000 30000 0.032

S6201 12 32 10 0.60 6.10 2.75 ------- 22000 26000 0.037

S6202 15 35 11 0.60 7.75 3.60 ------- 19000 23000 0.045

S6203 17 42 12 1.00 9.60 4.60 ------- 18000 32000 0.066

S6204 20 47 14 1.00 12.80 6.65 ------- 16000 18000 0.060

S6205 25 55 15 1.00 14.00 7.85 ------- 13000 15000 0.128

S6206 30 62 16 1.00 19.50 11.30 ------- 11000 13000 0.199

S6207 35 72 17 1.00 25.70 15.30 ------- 9800 11000 0.288

S6208 40 80 18 1.10 29.10 17.80 ------- 8700 10000 0.366

S6209 45 85 19 1.10 32.50 20.40 ------- 7800 9200 0.398

S6210 50 90 20 1.10 35.00 23.20 ------- 7100 8300 0.454

S6300 10 35 11 0.60 8.20 3.50 ------- 23000 27000 0.053

S6301 12 37 12 1.00 9.70 4.20 ------- 20000 24000 0.060

S6302 15 42 13 1.00 11.40 5.45 ------- 17000 21000 0.0082

S6303 17 47 13 1.00 11.40 5.45 ------- 17000 21000 0.082

S6304 20 52 15 1.10 15.90 7.90 ------- 14000 17000 0.144

S6305 25 62 17 1.10 26.70 15.00 ------- 10000 12000 0.360

S6306 30 72 19 1.10 26.70 15.00 ------- 10000 12000 0.360

S6307 35 80 21 1.50 40.50 24 ------- 7800 9200 0.630

S6308 40 90 23 1.50 40.50 24.00 ------- 7800 9200 0.630

S6309 45 100 27 2.00 62.00 38.50 ------- 6400 7500 0.814

S6310 50 110 27 2.00 62.00 38.50 ------- 6400 7500 1.070

NationalBearings





Bearing number



(kg)Grease Oil


S6800 10 19 5 0.3 1.83 0.93 ------- 32000 38000 0.005

S6801 12 21 5 0.3 1.92 1.04 ------- 29000 35000 0.006

S6802 15 24 5 0.3 2.08 1.26 ------- 26000 3100 0.007

S6803 17 26 5 0.3 2.81 1.72 ------- 24000 28000 0.008

S6804 20 32 7 0.3 4.00 2.47 ------- 21000 25000 0.019

S6805 25 37 7 0.3 4.30 2.95 ------- 18000 21000 0.022

S6806 30 42 7 0.3 4.70 3.65 ------- 15000 18000 0.026

S6807 35 47 7 0.3 4.90 4.05 ------- 13000 16000 0.029

S6808 40 52 7 0.3 5.10 4.40 ------- 21000 14000 0.033

S6809 45 58 7 0.3 6.40 5.65 ------- 11000 12000 0.040

S6810 50 65 7 0.3 6.60 6.10 ------- 9600 11000 0.052

S6900 10 22 6 0.3 2.70 1.27 ------- 30000 36000 0.009

S6901 12 24 6 0.3 2.89 1.46 ------- 27000 32000 0.011

S6902 15 28 7 0.3 4.10 2.06 ------- 24000 28000 0.016

S6903 17 30 7 0.3 4.65 2.58 ------- 22000 26000 0.018

S6904 20 37 9 0.3 6.40 3.70 ------- 19000 23000 0.036

S6905 25 42 9 0.3 7.05 4.55 ------- 16000 19000 0.042

S6906 30 47 9 0.3 7.25 5.00 ------- 14000 17000 0.048

S6907 35 55 10 0.6 11.20 7.45 ------- 12000 15000 0.074

S6908 40 62 12 0.6 14.60 10.20 ------- 11000 13000 0.110

S6909 45 68 12 0.6 15.10 11.20 ------- 9800 12000 0.128

S6910 50 72 12 0.6 15.60 12.20 ------- 8900 11000 0.132

NationalBearings


Self Aligning Ball Bearings

With two structures of bore cylindrical or ta-pered and retainers made of steel sheet or syn-thetic resins, the bearings are characteristic of their spherically formed outer ring raceways allowing for misalignment within 3° deflec-tion between inner ring and outer ring, so as to compensate concentricity and deflection errors.

Bearing SeriesBore Diameter

Variant StructuresCylindrical Bore Tapered Bore

1200 1200K 10~120 10~120 2RS +H200

1300 1300K 10~110 10~110 2RS +H300

2200 2200K 10~110 10~110 2RS +H300

2300 2300K 10~110 10~110 2RS +H2300

K

NationalBearings


Bearing numbers Boundary dimensions (mm) Basic load rat-ings (kN)

Limiting speeds (r/min) Weight

(kg)Cylindrical hole Tapered hole d D B rmin Cr Cor Grease Oil

1205ATN 1205AKTN 25 52 15 1 14.3 4 13000 16000 0.139

1206ATN 1206AKTN 30 62 16 1 15.6 4.65 10000 13000 0.219

1207ATN 1207AKTN 35 72 17 1.1 18 6.23 9000 11000 0.305

1208ATN 1208AKTN 40 80 18 1.1 18.5 6.95 8500 10000 0.393

1209ATN 1209AKTN 45 85 19 1.1 21.7 9.56 7500 9000 0.473

1210ATN 1210AKTN 50 90 20 1.1 26.5 9.15 7000 8500 0.525

1211ATN 1211AKTN 55 100 21 1.5 26.8 10.6 6300 7500 0.703

1212ATN 1212AKTN 60 110 22 1.5 30.2 12.2 5600 6700 0.87

1213ATN 1213AKTN 65 120 23 1.5 35.1 14 5300 6300 0.89

1214ATN 1214AKTN 70 125 24 1.5 34.2 13.5 5000 6000 1.21

1215ATN 1215AKTN 75 130 25 1.5 38.7 15.5 4800 5600 1.31

1216ATN 1216AKTN 80 140 26 2 39.8 16.9 4500 5300 1.63

1217ATN 1217AKTN 85 150 28 2 48.8 20.8 4000 4800 2.05

1218ATN 1218AKTN 90 160 30 2 57.2 23.6 3800 4500 2.5

1219ATN 1219AKTN 95 170 32 2.1 63.7 27 3600 4300 3.1

1220ATN 1220AKTN 100 180 34 2.1 68.9 30 3400 4000 3.7

NationalBearings


Bearing numbers Boundary dimensions (mm) Basic load rat-ings (kN)


(kg)Cylindrical hole Tapered hole d D B rmin Cr Cor Grease Oil

2205ATN 2205AKTN 25 52 18 1 16 4.47 11000 14000 0.158

2206ATN 2206AKTN 30 62 20 1 23.8 6.58 9500 12000 0.251

2207ATN 2207AKTN 35 72 23 1.1 30.5 8.72 8500 10000 0.385

2208ATN 2208AKTN 40 80 23 1.1 31.8 10.1 7500 9000 0.48

2209ATN 2209AKTN 45 85 13 1.1 32 10.6 7000 8500 0.526

2210ATN 2210AKTN 50 90 23 1.1 33.6 11.3 6300 7500 0.559

2211ATN 2211AKTN 55 110 25 1.5 37.3 13.2 6000 7000 0.935

2212ATN 2212AKTN 60 110 28 1.5 48.1 17.1 5300 6300 1.06

2213ATN 2213AKTN 65 120 31 1.5 57.2 20 5000 6000 1.45

2214ATN 2214AKTN 70 125 31 1.5 44.2 17 4800 5600 1.5

2215ATN 2215AKTN 75 130 31 1.5 44.4 18 4500 5300 1.6

2216ATN 2216AKTN 80 140 33 2 65 25.5 4000 4800 2

2217ATN 2217AKTN 85 150 36 2 58.5 23.6 3800 4500 2.5

2218ATN 2218AKTN 90 160 40 2 70.2 28.5 3600 4300 3.4

2219ATN 2219AKTN 95 170 43 2.1 83.2 34.5 3400 4000 4.1

2303ATN 17 47 19 1 14.6 3.55 13000 16000 0.16

2304ATN 2304AKTN 20 52 21 1.1 18.3 4.75 11000 14000 0.208

2305ATN 2305AKTN 25 62 24 1.1 24.6 6.62 9500 12000 0.336

2306ATN 2306AKTN 30 72 27 1.1 31.7 8.82 8500 1000 0.5

2307ATN 2307AKTN 35 80 31 1.5 39.9 11.3 7000 8500 0.677

2308ATN 2308AKTN 40 90 33 1.5 54.2 15.9 6300 7500 0.897

2309ATN 2309AKTN 45 100 36 1.5 63.7 19.3 5600 6700 1.25

2310ATN 2310AKTN 50 110 40 2 63.7 20 5300 6300 1.65

NationalBearings


Angular Contact Ball Bearings

Angular contact ball bearings are able to support radial load and axial load. As sin-gle row angular contact ball bearings can only support axiafload in single direc-tion, matched bearing mounting is often adopted to them. As matched pairs of bear-ings, preload for them is more convenient.

Retainers are made of brass, synthetic res-ins or others subject to individual bear-ing features and application conditions.

Matching Arrangement

Back to Back(DB)

Face to Face(DF) Tandem(DT)

Load Direction ← ↑ → ← ↑ → ← ↑

Rigidity Great Medium Small

Series

Bore Diam-eterContact Angle

15° 25° 40°

7000C 7000AC 10~600

7200C 7200AC 7200B 10~600

7300C 7300AC 7300B 10~600

Single Row/Duplex Angular Contact Ball Bearings

Can be matched in any number and arrangement

DB

DF DT

NationalBearings


Double row angular contact ball bearings are a form of back-to-back pairs of single row angu-lar contact ball bearings, which support axial load in both directions as well as support radial load.

With two piece in-ner ring, this type bear-ing can take axial load in both directions.

Bearing Series(Contact Angle 30°) Bore Diameter(mm) Variant Structure

3200A 10~600 2RS, ZZ, N

3300A 10~600 2RS, ZZ, N

3200 10~600 2RS, ZZ, N

3300 10~600 2RS, ZZ, N

Bearing Series(Contact Angle 35°) Bore Diameter(mm)

QJ200 10~600

QJ300 10~600

QJF100 100~600

QJF200 100~600

Double Row Angular Contact Ball Bearings

ZZ

2RS N

NationalBearings


Angular Contact Ball Bearings - Single Row Type

Bearing numbers Boundary dimensions (mm)Basic load

ratings (KN)

Limiting speeds (r/min)

Loadcen-ter

(mm)

Basic load ratings

(duplex)(KN)

Limiting speeds(duplex) (r/min)

Weight(kg)

single DB DF DT d D B rmin rimin Cr Cor Grease Oil a Cr Cor Grease Oil (Single)

7206AC /DB /DF /DT 30 62 16 1 0.6 22.1 14.1 17000 24000 19 35.9 28.2 13000 19000 0.196

7306AC /DB /DF /DT 30 72 19 1.1 0.6 30.9 19.4 17000 23000 21 50.2 38.8 13000 18000 0.349

7207C /DB /DF /DT 35 72 17 1.1 0.6 30.3 20.1 17000 24000 16 49.2 40.2 12800 18000 0.278

7308AC /DB /DF /DT 40 90 23 1.5 0.6 50.3 34 13500 18000 27 81.7 68 10000 14000 0.641

7209C /DB /DF /DT 45 85 19 1.1 0 36.3 25.8 15000 20000 18 59 51.6 11500 15500 0.411

7309C /DB /DF /DT 45 100 25 1.5 0.6 62.8 43.3 13000 17000 22 102 86.6 10000 13400 0.857

7309AC /DB /DF /DT 45 100 25 1.5 0.6 60.3 42.1 12000 16000 29 98 84.2 9400 12600 0.857

7211C /DB /DF /DT 55 100 21 1.5 0.6 52.9 39.9 11000 16000 21 85.9 79.8 8700 12600 0.607

7312C /DB /DF /DT 60 130 31 2.1 1.1 105 76.3 9700 13000 28 171 153 7600 1000 1.75

7313C /DB /DF /DT 65 140 33 2.1 1.1 119 87.9 9000 12000 30 193 176 7100 9400 2.16

7214C /DB /DF /DT 70 125 24 1.5 0.6 66.6 51.7 9000 13000 25 108 109 7100 10000 1.1

7316C /DB /DF /DT 80 170 39 2.1 1.1 157 128 7500 10000 36 255 256 5800 7700 3.74

7217C /DB /DF /DT 85 150 28 2 1 92.6 78.8 8000 11000 30 150 158 6300 8600 1.82

7317C /DB /DF /DT 85 180 41 3 1.1 170 142 7000 9400 38 276 284 5400 7400 4.4

NationalBearings


Angular Contact Ball Bearings - Double Row Type

Two Shields(ZZ)


Bearing Numbers

VariantStruc-ture

Boundary dimensions (mm) Basic load rat-ings (KN)

Limiting speeds (r/min)

Loadcenter(mm)

Weight(kg)

d D B rmin Cr Cor Grease Oil a

3200 2Z/2RS 10 30 14.3 0.6 7.59 4.4 16000 22000 15 0.051

3201 2Z/2RS 12 32 15.9 0.6 10.3 5.63 15000 20000 17 0.061

3202 2Z/2RS 15 35 15.9 0.6 11.3 6.85 12000 17000 18 0.066

3203 2Z/2RS 17 40 17.5 0.6 14.2 8.8 10000 15000 20 0.097

3204 2Z/2RS 20 47 20.6 1 19.1 12.2 9000 13000 24 0.152

3205 2Z/2RS 25 52 20.6 1 20.1 14.3 8000 11000 27 0.197

3206 2Z/2RS 30 62 23.8 1 28.6 20.5 7000 9500 31 0.292

3207 2Z/2RS 35 72 27 1.1 35.4 26.2 6000 8000 26 0.448

3208 2Z/2RS 40 90 20.2 1.1 40.3 32 5600 7000 41 0.612

3209 2Z/2RS 45 85 30.2 1.1 42.8 34.7 5000 6700 43 0.655

3210 2Z/2RS 50 90 30.2 1.1 45.1 38.8 4800 6300 45 0.706

3211 2Z/2RS 55 100 33.3 1.5 53.8 47.3 4300 5600 50 0.981

3212 2Z/2RS 60 110 36.5 1.5 60.1 53.6 3800 5000 55 1.34

3302 2Z/2RS 15 42 19 1 14.2 8.8 10000 15000 22 0.131

3303 2Z/2RS 17 47 22.2 1 20.5 12.1 9500 14000 24 0.177

3304 2Z/2RS 20 52 22.2 1.1 22.6 14.7 8500 12000 26 0.217

3305 2Z/2RS 25 62 25.4 1.1 28.9 19.4 7500 10000 31 0.349

3306 2Z/2RS 30 72 30.2 1.1 39.5 27.5 6300 8500 36 0.556

3307 2Z/2RS 35 80 34.9 1.5 49.5 35.3 5600 7500 42 0.748

3308 2Z/2RS 40 90 36.5 1.5 60.5 41.2 5000 6700 46 1.01

3309 2Z/2RS 45 100 39.7 1.5 72.4 54 4500 6000 50 1.36

3310 2Z/2RS 50 110 44.4 2 85.3 64.8 4000 5300 55 1.81

3311 2Z/2RS 55 120 49.2 2 106 82.3 3800 5000 61 2.31

3313 2Z/2RS 65 140 58.7 2.1 138 110 3200 4300 71 3.71

NationalBearings


Angular Contact Ball Bearings -Four-point Contact Type

QJ QJF

BearingNumbers

Boundary Dimensions (mm) Basic load ratings (KN)

limiting Speeds (r/min)

loadcenter(mm)

Weight(kg)

d D B rmin Cr Cor Grease Oil a

QJ203 17 40 12 0.6 15.9 10.6 14000 19000 20 0.082

QJ303 17 47 14 1 23.4 15 12000 17000 22 0.14

QJ304 20 52 15 1.1 29.6 20 10000 15000 25 0.18

QJ205 25 52 15 1 25.1 20 9500 14000 27 0.16

QJ305 25 62 17 1.1 41.5 24.5 9500 14000 31 0.276

QJ206 30 62 16 1 35.1 28.5 8500 12000 32 0.24

QJ306 30 72 19 1.1 49.4 39 7500 10000 36 0.42

QJ207 35 72 17 1.1 46.2 39.01 7500 10000 37 0.35

QJ307 35 80 21 1.5 59.2 46.5 7000 9500 40 0.57

QJ307N2Q1 35 80 21 1.5 59.2 46.5 7100 9500 40.3 0.69

QJ208 40 80 18 1.1 52.7 45 6700 9000 42 0.45

QJ308 40 90 23 1.5 71.5 58.5 6300 8500 46 0.78

QJ209 45 85 19 1.1 58.5 51 6300 8500 46 0.52

QJ309 45 100 25 1.5 93.6 76.5 5600 7500 51 1.05

QJ210 50 90 20 1.1 61.8 56 5600 7500 49 0.59

QJ310 50 110 27 2 111 91.5 5000 6700 56 1.35

QJ211 55 100 21 1.5 79.3 76.5 5300 7000 54 0.77

QJ311 55 120 29 2 127 108 4500 6000 61 1.75

QJ212 60 110 22 1.5 92.3 86.5 4800 6300 60 0.99

QJ312 60 130 31 2.1 146 125 4300 5600 67 2.15

QJ213 65 120 23 1.5 104 104 4300 5600 65 1.2

NationalBearings


This type of bearings is separable, which can only carry axial load. The single direction bearings of them can only carry axial load in one direction, while the double can carry alternating axial load in either di-rection. Before using they have to be preloaded. The thrust ball bearings are used in lathe centers, auto-mobile clutches, reducers and so on. The double di-rection angular contact thrust ball bearings are suit-able for machine tool spindles, while the single are used to support ball screws.

Thrust Ball Bearings

NationalBearings


Thurst Ball Bearings -Single Direction Type

Bearing numbers

Boundary dimensions (mm) Basic load rat-ings (kN)


(kg)d d1 D D1 H C H1 rmin S R Cr Cor Grease Oil

51100 10 11 24 24 9 ---- ---- 0.3 ---- ---- 9.32 8.11 7000 9500 0.0188

51101 12 13 26 26 9 ---- ---- 0.3 ---- ---- 9.67 9.49 6700 9000 0.021

51102 15 16 28 28 9 ---- ---- 0.3 ---- ---- 10.5 12 6300 8500 0.0219

51103 17 18 30 30 9 ---- ---- 0.3 ---- ---- 10.8 13.4 6300 8500 0.0246

51104 20 21 35 35 10 ---- ---- 0.3 ---- ---- 15 19.7 5600 7500 0.0371

51105 25 26 42 42 11 ---- ---- 0.6 ---- ---- 15.4 23.9 4800 6300 0.0554

51106 30 32 47 47 11 ---- ---- 0.6 ---- ---- 16.6 29.4 4500 6000 0.0692

51107 35 37 52 52 12 ---- ---- 0.6 ---- ---- 19.1 35.9 4300 5600 0.0806

51108 40 42 60 60 13 ---- ---- 0.6 ---- ---- 26.9 51.2 3800 5000 0.116

51109 45 47 65 65 14 ---- ---- 0.6 ---- ---- 27.9 57.5 3400 4500 0.14

51110 50 52 70 70 14 ---- ---- 0.6 ---- ---- 28 61 3200 4300 0.148

51111 55 57 78 78 16 ---- ---- 0.6 ---- ---- 34.7 78.7 2800 3800 0.223

51112 60 62 85 85 17 ---- ---- 1 ---- ---- 40.2 91 2600 3600 0.278

51113 65 67 90 90 18 ---- ---- 1 ---- ---- 40.2 91 2400 3400 0.314

51114 70 72 95 95 18 ---- ---- 1 ---- ---- 47.8 114 2400 3400 0.34

51115 75 77 100 100 19 ---- ---- 1 ---- ---- 48.1 120 2200 3200 0.382

51116 80 82 105 105 19 ---- ---- 1 ---- ---- 50 130 2000 3000 0.406

51117 85 87 110 110 19 ---- ---- 1 ---- ---- 49.3 131 2000 3000 0.424

51118 90 92 120 120 22 ---- ---- 1 ---- ---- 66.5 177 1800 2600 0.652

51120 100 102 135 135 25 ---- ---- 1 ---- ---- 87 251 1600 2200 0.958

51122 110 112 145 145 25 ---- ---- 1 ---- ---- 87 251 1600 2200 1.05

51124 120 122 155 155 25 ---- ---- 1 ---- ---- 88.9 271 1600 2200 1.12

51126 130 132 170 170 30 ---- ---- 1 ---- ---- 111 341 1400 1900 1.71

51128 140 142 180 178 31 ---- ---- 1 ---- ---- 113 366 1300 1800 1.86

NationalBearings



Bearing numbers




51200 10 12 26 26 11 ---- 11.6 0.6 8.5 22 12.7 10.4 6000 8000 0.0282

51201 12 14 28 28 11 3.5 11.4 0.6 11.5 25 13.2 12.3 6000 8000 0.0319

51202 15 17 32 32 12 4 13.3 0.6 12 28 13.4 14.5 5300 7000 0.043

51203 17 19 35 35 12 4 13.2 0.6 16 32 17.2 18.8 5000 6700 0.0503

51204 20 22 40 40 14 5 14.7 0.6 18 36 21.1 23.9 4500 6000 0.0746

51205 25 27 47 47 15 5.5 16.7 0.6 19 40 27.7 36.3 4000 5300 0.107

51206 30 32 52 52 16 5.5 17.8 0.6 22 45 29.3 43.8 3600 4800 0.134

51207 35 37 62 62 18 7 19.9 1 24 50 39.1 58.6 3000 4000 0.209

51208 40 42 68 68 19 7 20.3 1 28.5 56 47 74.1 2800 3800 0.262

51209 45 47 73 73 20 7.5 21.3 1 26 56 47.5 81.5 2600 3600 0.304

51210 50 52 78 78 22 7.5 23.5 1 32.5 64 54.4 94.4 2400 3400 0.365

51211 55 57 90 90 25 9 27.3 1 35 72 69.4 123 1900 2800 0.592

51212 60 62 95 95 26 9 28 1 32.5 72 70.6 133 1900 2800 0.663

51213 65 67 100 100 27 9 27.7 1 40 80 72 144 1800 2600 0.741

51214 70 72 105 105 27 9 28.8 1 38 870 76 162 1800 2600 0.792

51215 75 77 110 110 27 9.5 28.3 1 49 90 77.1 172 1700 2400 0.817

51216 80 82 115 155 28 10 29.5 1 46 90 86.4 793 1700 2400 0.908

51217 85 88 125 125 31 11 33.1 1 52 100 97.9 229 1600 2200 1.25

51218 90 93 135 135 35 13.5 38.5 1.1 45 100 125 277 1500 2000 1.68

51220 100 103 150 150 38 14 40.9 1.1 52 112 155 341 1300 1800 2.23

51222 110 113 160 160 38 14 40.2 1.1 65 125 162 384 1200 1700 2.42

51224 120 123 170 170 39 15 40.8 1.1 61 125 163 409 1100 1600 2.67

51226 130 133 190 187 45 17 47.9 1.5 67 140 186 540 950 1400 4

51228 140 143 200 197 46 17 48.6 1.5 87 160 190 570 950 1400 4.35

NationalBearings



Bearing numbers




51304 20 22 47 47 18 ---- ---- 1 ---- ---- 34.3 36.3 ---- ---- 0.149

51305 25 27 52 52 18 ---- 19.8 1 21 45 35.7 42.1 3400 4500 0.166

51306 30 32 60 60 21 7 22.6 1 22 50 47.1 57.2 2800 3800 0.257

51307 35 37 68 68 24 7.5 25.6 1 24 56 55.4 73.9 2400 3400 0.371

51308 40 42 78 78 26 8.5 28.5 1 28 64 68.9 95.8 2000 3000 0.536

51309 45 47 85 85 28 10 30.1 1 25 64 79.5 118 1900 2800 0.68

51310 50 52 95 95 31 11 34.3 1.1 28 72 96.2 146 1800 2600 0.936

51311 55 57 105 105 35 11.7 39.3 1.1 30.3 80 126 189 1600 2200 1.31

51312 60 62 110 110 35 11.5 38.3 1.1 41 90 129 209 1600 2200 1.38

51313 65 67 115 115 36 12.5 39.4 1.1 38.5 90 138 229 1500 2000 1.51

51406 30 32 70 70 28 ---- 30.1 1 20 56 72.2 81 2000 3000 0.523

51414M 70 73 150 150 60 19.5 63.6 2 34 112 234 500 950 1400 5

The information in this catalogue is for reference only. National Bearings doesn’t guarantee the accuracy and reserve the right to change without prior notice.

Deep Groove Ball Bearings - National Bearings...

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