无内圈滚针轴承  密封型

RNA49...RS      RNA49...2RS

RNA49...RS,RNA49...2RS

 

 

轴径

轴承型号

外 型 尺 寸

基本额定负荷

极限转速

RNA 49..RS

单面密封

RNA 49..2RS

双面密封

FW

D

C

rS

C

Co

油润滑

mm

mm

Min.

N

rpm

14

RNA 4900 RS

RNA 4900.2RS

14

22

13

0.3

6800

6900

13000

16

RNA 4901 RS

RNA 4901.2RS

16

24

13

0.3

7600

8300

12000

20

RNA 4902 RS

RNA 4902.2RS

20

28

13

0.3

8600

10300

10000

22

RNA 4903 RS

RNA 4903.2RS

22

30

13

0.3

8800

11000

9000

25

RNA 4904 RS

RNA 4904.2RS

25

37

17

0.3

17300

19900

7500

30

RNA 4905 RS

RNA 4905.2RS

30

42

17

0.3

19300

24200

6500

35

RNA 4906 RS

RNA 4906.2RS

35

47

17

0.3

21100

28500

5500

42

RNA 4907 RS

RNA 4907.2RS

42

55

20

0.6

26500

39500

4800

48

RNA 4908 RS

RNA 4908.2RS

48

62

22

0.6

36000

53000

4200

52

RNA 4909 RS

RNA 4909.2RS

52

68

22

0.6

38000

59000

3900

58

RNA 4910 RS

RNA 4910.2RS

58

72

22

0.6

40000

64000

3500

TN=塑料保险架,允许运转温度:120连续地,150临时地,180短时地。1)对于脂润滑,允许值为表列数值的60%

+有档圈,无润滑油孔和槽,如需要油孔和槽时,需在轴承代号上增加ASR1

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