NK,NKS,RNA49,RNA69series Heavy Duty Needle Roller Bearings Without Inner Ring

Shaft
Diameter

Bearing Designation

Mass
Approx

Boundary Dimensions

Basic Load Rating

Limiting
Speed

mm

Current

Original Code

g

Fw(mm)

D(mm)

C(mm)

CrDynamic(N)

Cor Static(N)

Oil(rpm)

8

NK8/10

8.0

8

15

10

10

NK10/12 TN

4624097K

10

10

17

12

4750

5350

23500

5624097

16.6

10

17

15

4860

7100

23500

12

NK12/12

644097

11.8

12

19

12

6050

6400

21640

5624098

15.4

12

19

15

6400

7100

21640

NK12/16

16.8

12

19

16

8200

9800

21640

14

NKS14

27

14

25

16

10400

10800

17652

RNA4900

4624900

24.4

14

22

13

8060

9000

18322

RNA6900

6634900

29.1

14

22

22

8281

11612

18322

15

NK15/12

644800K

18.5

15

23

12

8600

10070

21004

7948/15

16.1

15

22

12

8200

9800

8412

644302

18.2

15

25

12

10600

13500

17144

16

NK16/16

20.8

16

24

16

9030

11900

15522

NK16/20

624701

23.9

16

24

20

10400

16800

15522

RNA4901

4624901

16.6

16

24

13

6400

8900

15522

RNA6901

6634901

28.7

16

24

22

14000

18600

15522

NKS16

30

16

28

16

14900

15000

20000

17

NK17/16

644903K

21.5

17

25

16

9000

13500

14163

18

NK18/20

30.5

18

26

20

10500

13800

13628

20

NK20/16

644802

25.7

20

28

16

11500

13400

12716

NK20/20

624802

29.3

20

28

20

12400

21800

12716

RNA4902

4624902

20.5

20

28

13

10800

12800

12716

RNA6902

6634902

35.4

20

28

23

13000

25000

12716

22

RNA6903

6634903

39.8

22

30

23

14000

19900

16300