带内圈滚针轴承

Needle Roller Bearings with Inner Ring

NA69 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

d

f

D

B

r

min.

Cr

Dynamic

Cor

Static

Mm

N

12

NA6901

46

12

16

24

22

0.3

16

21.6

24000

6254901

15

NA6902

63

15

20

28

23

0.3

17.3

25.5

22000

6254902

17

NA6903

72

17

22

30

23

0.3

18.6

29

21000

6254903

20

NA6904

141

20

25

37

30

0.3

36

51

17000

6254904

22

NA69/22

150

22

28

39

30

0.3

37.5

55

16000

--

25

NA6905

161

25

30

42

30

0.3

39

59

15000

6254905

28

NA69/28

182

28

32

45

30

0.3

40.5

63

13000

--

30

NA6906

192

30

35

47

30

0.3

43.5

71

13000

6254906

32

NA69/32

288

32

40

52

36

0.6

47

82

12000

--

35

NA6907

310

35

42

55

36

0.6

48

86

11000

6254907

40

NA6908

430

40

48

62

40

0.6

66

116

9500

6254908

45

NA6909

495

45

52

68

40

0.6

69

127

8500

6254909

50

NA6910

515

50

58

72

40

0.6

73

139

8000

6254910

55

NA6911

780

55

63

80

45

1

90

176

7000

6254911

60

NA6912

808

60

68

85

45

1

94

191

6500

6254912

65

NA6913

833

65

72

90

45

1

95

198

6000

6254913

70

NA6914

1340

70

80

100

54

1

128

265

6500

6254914

75

NA6915

1450

75

85

105

54

1

130

275

5500

6254915

80

NA6916

1522

80

90

110

54

1

135

300

5000

6254916

85

NA6917

2200

85

100

120

63

1.1

166

400

4800

6254917

90

NA6918

2310

90

105

125

63

1.1

172

425

4600

6254918

95

NA6919

2.5

95

110

130

63

1.1

174

440

4400

6254919

 

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.