无挡边滚针轴承

Needle Roller Bearings without Inner Ring

NA49 2RS series 系列

轴径

shatr

Diameter

RNA49..RS

单面密封型号

Designation

With sealed

On one side

RNA49..2RS

单面密封型号

Designation

With sealed

On one side

重量

mass

尺寸Dimensions

基本额定载荷

Basic Load Ratings

极限转速

Limiting

speed

grease

rpm

FW

D

C

r

Cr

Dynamic

KN

Cr

Static

KN

14

RNA4900RS

RNA 4900.2RS

16

14

22

13

0.3

6.8

6.9

13000

16

RNA4901RS

RNA 4901.2RS

18

16

24

13

0.3

7.6

8.3

12000

20

RNA4902RS

RNA 4902.2RS

21.5

20

28

13

0.3

8.6

10.3

10000

22

RNA4903RS

RNA 4903.2RS

23

22

30

13

0.3

8.8

11.0

9000

25

RNA4904RS

RNA 4904.2RS

56

25

37

17

0.3

17.3

19.9

7500

30

RNA4905RS

RNA 4905.2RS

60

30

42

17

0.3

19.3

24.2

6500

35

RNA4906RS

RNA 4906.2RS

69

35

47

17

0.3

21.1

28.5

5500

42

RNA4907RS

RNA 4907.2RS

107

42

55

20

0.6

26.5

39.5

4800

48

RNA4908RS

RNA 4908.2RS

154

48

62

22

0.6

36.0

53.0

4200

52

RNA4909RS

RNA 4909.2RS

157

52

68

22

0.6

38.0

59.0

3900

58

RNA4910RS

RNA 4910.2RS

160

58

72

22

0.6

40.0

64.0

3500

 

说明:

 

1、表中所列基本额定载荷、极限转速和重量,仅供选择参考用。

2润滑时,极限转速为表列数值增加30%,带密封的情况除外。

  Note:
1. These load, speed and mass is reference of choice only.
2.With an effective oil supply,the limiting speed can be increased by about 30%,except for sealed roller followers.