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needle roller bearing
needle roller bearing

Needle roller bearing Low vibration,long life High quality,competitive price Good polish and rotation

needle roller bearing without inner ring Feature: 1. Diameter from 5mm-135mm, series contain: NK NKS RNA49 RNA69 RNA48. 2. The grinding operation shaft's hardness 58-64hrc, surface rouyhness less than Ra0.2. 3. We can accept nonstandard item as custome's sample or drawings

Bearing Designation

Approx Mass

Boundary

Basic Load Rating

Limiting speed

Current

Original

g

Fw

D

C

Cr Dynamic

Cr Static

rmp

NK5/10TN

 

2.9

5

10

10

2100

1400

36780

NK8/12TN

 

8.3

8

15

12

3050

3650

29112

NK10/12TN

4624097K

10

10

17

12

4750

5350

23500

 

5624097

16.6

10

17

15

4860

7100

23500

NK12/12

644097

11.8

12

19

12

6050

6400

21640

NK12/16

 

16.8

12

19

16

8200

9800

21640

NK14/16

4624900K

20.8

14

22

16

8260

9600

18322

NKS14

 

27

14

25

16

10400

10800

17652

RNA4900

4624900

24.4

14

22

13

8060

9000

18322

BNA6900

4624900

29.1

14

22

22

82881

11612

18322

NK15/12

 

18.5

15

23

12

8600

10070

21004

RNA122815

 

31.7

15

18

15

136000

17200

100231

 

644302

18.2

15

25

12

10600

13500

17144

NK16/16

 

20.8

16

24

16

9030

11900

15522

NK16/20

624701

23.8

16

24

20

10400

16800

15522

RNA4901

4624901

6.6

16

24

13

6400

8900

15522

RNA6901

4624901

28.7

16

24

22

14000

18600

15522

 

needle roller bearing

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