无保持架无内圈滚针轴承

Needle Roller Bearings without Inner Ring and Cage

RNAV49 series 系列

轴径

Shaft Diameter

 

mm

型号

DesigRRNAVtion

尺寸Dimensions

基本额定载荷

Basic Load Ratings

极限转速

Limiting Speed

 

 

Rpm

原有型号

OrigiRRNAVl DesigRRNAVtion

Fw

D

C

r

 

min.

Cr

DyRRNAVmic

Cor

Static

mm

N

20

RNAV4902

20

28

13

0.3

8.5
9.2
20000

4084902E

22

RNAV4903

22

30

13

0.3

9.4
10.9
17000

4084902E

25

RNAV4904

25

37

17

0.3

10.6
13.6
14000

4084904E

30

RNAV4905

30

42

17

0.3

11.0
14.6
12000

4084905E

35

RNAV4906

35

47

17

0.3

21.0
25.5
11000

4084906E

42

RNAV4907

42

55

20

0.6

22.8
29.5
9500

4084907E

48

RNAV4908

48

62

22

0.6

23.6
31.5
9500

4084908E

52

RNAV4909

52

68

22

0.6

24.4
33.5
8500

4084909E

58

RNAV4910

58

72

22

0.6

25.0
35.5
8000

4084910E

68

RNAV4912

68

85

25

1

30.5
47.5
7000

4084912E

80

RNAV4914

80

100

30

1

31.5
50.0
7000

4084914E

90

RNAV4916

90

110

30

1

43.0
67.0
6000

4084916E

105

RNAV4918

105

125

35

1.1

45.0
73.0
5500

4084918E

110

RNAV4919

110

130

35

1.1

47.0
80.0
5000

4084919E

115

RNAV4920

115

140

40

1.1

58.0
100
4700

4084920E

125

RNAV4922

125

150

40

1.1

60.0
108
4300

4084922E

135

RNAV4924

135

165

45

1.1

61.0
112
4100

4084924E

150

RNAV4926

150

180

50

1.5

84.0
156
4000

4084926E

 

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、脂润滑时,极限转速为表列数值的60%

备注:如果需要其他技术参数,请通过email:office@bearingsworld.com 或电话:0512-61155723与公司联系

  Note:
1. These load, speed and mass is reference of choice only.
2. With grease lubrication, 60% of these limiting speed will apply.