无内圈滚针轴承

Needle Roller Bearings without Inner Ring

RNA49 series 系列

轴径

Shaft Diameter

 

mm

型号

Designation

重量

Mass

 

 

g

尺寸Dimensions

基本额定载荷

Basic Load Ratings

极限转速

Limiting Speed

 

 

Rpm

原有型号

Original Designation

Fw

D

C

r

min.

Cr

Dynamic

Cor

Static

Mm

N

14

RNA4900

16

14

22

13

0.3

8.5

9.2

25000

4644900

16

RNA4901

17

16

24

13

0.3

9.4

10.9

24000

4644901

20

RNA4902

21

20

28

13

0.3

10.6

13.6

22000

4644902

22

RNA4903

22

22

30

13

0.3

11

14.6

21000

4644903

25

RNA4904

52

25

37

17

0.3

21

25.5

17000

4644904

28

RNA49/22

50

28

39

17

0.3

22.8

29.5

16000

--

30

RNA4905

61

30

42

17

0.3

23.6

31.5

15000

4644905

32

RNA49/28

73

32

45

17

0.3

24.4

33.5

13000

--

35

RNA4906

69

35

47

17

0.3

2.50

35.5

13000

4644906

40

RNA49/32

89

40

52

20

0.6

30.5

47.5

12000

--

42

RNA4907

107

42

55

20

0.6

31.5

50

10000

4644907

48

RNA4908

140

48

62

22

0.6

43

67

9500

4644908

52

RNA4909

182

52

68

22

0.6

45

73

8500

4644909

58

RNA4910

163

58

72

22

0.6

47

80

8000

4644910

63

RNA4911

255

63

80

25

1

58

100

7500

4644911

68

RNA4912

275

68

85

25

1

60

108

7000

4644912

72

RNA4913

312

72

90

25

1

61

112

6500

4644913

80

RNA4914

460

80

100

30

1

84

156

6000

4644914

85

RNA4915

489

85

105

30

1

86

162

5500

4644915

90

RNA4916

516

90

110

30

1

89

174

5000

4644916

100

RNA4917

657

100

120

35

1.1

111

237

4800

4644917

105

RNA4918

745

105

125

35

1.1

114

250

4600

4644918

110

RNA4919

719

110

130

35

1.1

116

260

4400

4644919

115

RNA4920

1150

115

140

40

1.1

128

270

4100

4644920

125

RNA4922

1240

125

150

40

1.1

132

290

3800

4644922

135

RNA4924

1860

135

165

45

1.1

181

390

3400

4644924

 

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%

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