KOYO NEEDLE ROLLER BEARING
| Shaft
Dia. |
Fw | D | C | X max. | Bearing Designation | Load Ratings | Fatigue
Load Limit Cu |
Approx. Wt. | |||
| +0 +0.000 -0.3 -0.012 | Dynamic | Static | |||||||||
| Open Ends | Closed One End | C | C0 | Open Ends | Closed One End | ||||||
| in | mm
in |
mm
in |
mm
in |
mm
in |
kN
lbf |
kN | kg
lbs |
||||
| 1/8 | 3.175
0.1250 |
6.350
0.2500 |
6.35
0.250 |
— | B-24 | — | 1.73
390 |
1.65
370 |
0.24 | 0.001
0.002 |
— |
| 5/32 | 3.970
0.1563 |
7.142
0.2812 |
6.35
0.250 |
B-2 1/2 4 | 2.00
450 |
2.00
450 |
0.31 | 0.001
0.002 |
— | ||
| 3.970
0.1563 |
7.142
0.2812 |
7.92
0.312 |
B-2 1/2 5 | 2.58
580 |
2.80
630 |
0.42 | 0.001
0.003 |
— | |||
| 3/16 | 4.763
0.1875 |
8.733
0.3438 |
6.35
0.250 |
1.78
0.070 |
B-34 | M-341 | 2.20
490 |
2.12
480 |
0.36 | 0.001
0.003 |
0.002
0.004 |
| 4.763
0.1875 |
8.733
0.3438 |
9.53
0.375 |
1.78
0.070 |
B-36 | M-361 | 3.78
850 |
4.23
950 |
0.64 | 0.002
0.005 |
0.003
0.006 |
|
| 1/4 | 6.350
0.2500 |
11.113
0.4375 |
6.35
0.250 |
2.03
0.080 |
B-44 | M-441 | 2.74
620 |
2.63
590 |
0.45 | 0.002
0.005 |
0.003
0.006 |
| 6.350
0.2500 |
11.113
0.4375 |
7.92
0.312 |
2.03
0.080 |
B-45 | M-451 | 3.55
800 |
3.68
830 |
0.56 | 0.003
0.007 |
0.004
0.008 |
|
| 6.350
0.2500 |
11.113
0.4375 |
9.53
0.375 |
— | B-46 | — | 4.55
1020 |
5.06
1140 |
0.77 | 0.004
0.008 |
— | |
| 6.350
0.2500 |
11.113
0.4375 |
11.13
0.438 |
2.03
0.080 |
B-47 | M-471 | 5.51
1240 |
6.46
1450 |
0.98 | 0.004
0.009 |
0.005
0.011 |
|
| 5/16 | 7.938
0.3125 |
12.700
0.5000 |
7.92
0.312 |
2.03
0.080 |
B-55 | M-551 | 4.08
920 |
4.60
1030 |
0.70 | 0.004
0.008 |
0.004
0.009 |
| 7.938
0.3125 |
12.700
0.5000 |
9.53
0.375 |
B-56 | 5.23
1180 |
6.33
1420 |
0.97 | 0.005
0.010 |
— | |||
| 7.938
0.3125 |
12.700
0.5000 |
11.13
0.438 |
2.03
0.080 |
B-57 | M-571 | 6.33
1420 |
8.09
1820 |
1.20 | 0.005
0.011 |
0.006
0.013 |
|
| 7.938
0.3125 |
12.700
0.5000 |
14.27
0.562 |
B-59 | 8.37
1880 |
11.6
2600 |
1.75 | 0.006
0.014 |
— | |||
| 7.938
0.3125 |
14.288
0.5625 |
11.13
0.438 |
2.29
0.090 |
BH-57 | MH-571 | 7.01
1580 |
7.33
1650 |
1.10 | 0.007
0.016 |
0.008
0.018 |
|
| 7.938
0.3125 |
14.288
0.5625 |
14.27
0.562 |
— | BH-59 | — | 9.46
2130 |
10.8
2420 |
1.65 | 0.009
0.020 |
— | |
| 21/64 | 8.331
0.3280 |
14.288
0.5625 |
12.70
0.500 |
— | NB-3 | — | 8.10
1820 |
9.56
2150 |
1.45 | 0.008
0.018 |
— |
| 3/8 | 9.525
0.3750 |
14.288
0.5625 |
7.92
0.312 |
2.03
0.080 |
B-65 | M-651 | 4.55
1020 |
5.53
1240 |
0.84 | 0.004
0.009 |
0.005
0.010 |
| 9.525
0.3750 |
14.288
0.5625 |
9.53
0.375 |
2.03
0.080 |
B-66 | M-661 | 5.83
1310 |
7.61
1710 |
1.15 | 0.005
0.011 |
0.005
0.012 |
|
| 9.525
0.3750 |
14.288
0.5625 |
11.13
0.438 |
B-67 | 7.06
1590 |
9.72
2190 |
1.45 | 0.006
0.013 |
— | |||
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bearings, spherical roller thrust bearings, spherical bearings, adapter sleeves, withdrawal sleeves, lock nut, lock washer,locking device, etc. We can provide bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings, spherical plain bearings, high temperature, super-precision bearings, as well as some rare types customized to your need.Middle East and Southeast Asia.Our goal is to exceed our customers’ expectation in providing quality products and continue to improve the services we
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