KOYO BEARING

B-56 KOYO NEEDLE ROLLER BEARINGS

KOYO drawn cup needle roller bearings.

METRIC SERIES
When a rolling bearing is needed for a compact and economic design and where it is not practical to harden and grind the housing bore, or where the housing materials are of low rigidity such as cast iron, aluminum or even plastics – drawn cup needle roller bearings should be considered.

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KOYO NEEDLE ROLLER BEARINGS.

Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.

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


WHCD Bearing Co.,Ltd
is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  
Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
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