KOYO BEARING

B-87 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

3/8 9.525

0.3750

14.288

0.5625

12.70

0.500

2.03

0.080

B-68 M-681 8.21

1850

11.8

2650

1.80 0.007

0.015

0.008

0.017

  9.525

0.3750

14.288

0.5625

14.27

0.562

  B-69 9.33

2100

13.9

3130

2.10 0.007

0.016

 
  9.525

0.3750

14.288

0.5625

15.88

0.625

2.03

0.080

B-610 M-6101 10.4

2340

16.0

3590

2.40 0.008

0.018

0.010

0.021

  9.525

0.3750

15.875

0.6250

12.70

0.500

  BH-68 9.35

2100

10.9

2460

1.65 0.010

0.021

 
7/16 11.113

0.4375

15.875

0.6250

9.53

0.375

  B-76 6.37

1430

8.88

2000

1.35 0.005

0.012

 
  11.113

0.4375

15.875

0.6250

11.13

0.438

B-77 7.71

1730

11.3

2550

1.70 0.007

0.015

  11.113

0.4375

15.875

0.6250

12.70

0.500

2.03

0.080

B-78 M-781 8.97

2020

13.8

3100

2.10 0.008

0.017

0.009

0.019

  11.113

0.4375

15.875

0.6250

15.88

0.625

B-710 11.4

2560

18.7

4200

2.80 0.010

0.021

  11.113

0.4375

17.463

0.6875

12.70

0.500

BH-78 10.3

2320

12.8

2870

1.95 0.010

0.023

0.439 11.151

0.439

15.908

0.6263

12.70

0.500

NB-38   9.00

2020

13.8

3100

2.10 0.032

0.071

1/2 12.700

0.5000

17.463

0.6875

7.92

0.312

2.03

0.080

B-85 M-851 5.36

1200

7.38

1660

1.15 0.005

0.012

0.006

0.014

  12.700

0.5000

17.463

0.6875

9.53

0.375

2.03

0.080

B-86 M-861 6.87

1540

10.2

2290

1.55 0.006

0.014

0.007

0.016

  12.700

0.5000

17.463

0.6875

11.13

0.438

2.03

0.080

B-87 M-871 8.31

1870

13.0

2920

1.95 0.007

0.016

0.008

0.018

  12.700

0.5000

17.463

0.6875

12.70

0.500

2.03

0.080

B-88 9.63

2160

15.7

3530

2.40 0.009

0.019

0.010

0.021

  12.700

0.5000

17.463

0.6875

12.70

0.500

2.03

0.080

M-881 9.66

2170

15.8

3550

2.40 0.010

0.021

  12.700

0.5000

17.463

0.6875

15.88

0.625

2.03

0.080

B-810 M-8101 12.2

2750

21.3

4800

3.20 0.010

0.023

0.012

0.026

  12.700

0.5000

17.463

0.6875

19.05

0.750

2.03

0.080

B-812 M-8121 14.7

3300

26.9

6050

4.20 0.013

0.028

0.014

0.031

  12.700

0.5000

19.050

0.7500

11.13

0.438

BH-87   9.46

2130

11.8

2650

1.80 0.010

0.023

  12.700

0.5000

19.050

0.7500

12.70

0.500

  BH-88 11.2

2510

14.6

3280

2.20 0.012

0.026

 
  12.700

0.5000

19.050

0.7500

15.88

0.625

  BH-810 14.4

3230

20.2

4540

3.05 0.015

0.033

 
  12.700

0.5000

19.050

0.7500

19.05

0.750

2.29

0.090

BH-812 MH-8121 17.4

3910

25.8

5790

3.95 0.018

0.039

0.020

0.044

9/16 14.288

0.5625

19.050

0.7500

7.92

0.312

2.03

0.080

B-95 M-951 5.72

1290

8.31

1870

1.25 0.006

0.013

0.006

0.014

  14.288

0.5625

19.050

0.7500

9.53

0.375

2.03

0.080

B-96 M-961 7.33

1650

11.4

2570

1.75 0.007

0.015

0.008

0.018

  14.288

0.5625

19.050

0.7500

11.13

0.438

2.03

0.080

B-97 M-971 8.87

1990

14.6

3280

2.20 0.008

0.018

0.010

0.021

  14.288

0.5625

19.050

0.7500

12.70

0.500

2.03

0.080

B-98 M-981 10.3

2320

17.7

3990

2.70 0.009

0.020

0.010

0.023

  14.288

0.5625

19.050

0.7500

15.88

0.625

2.03

0.080

B-910 M-9101 13.1

2940

24.0

5400

3.60 0.012

0.026

0.013

0.029

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
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