IR17X20X20轴承内圈、IR20X25X20轴承内圈

轴径

型号

重量

带罩壳轴承代号

重量

尺寸

基本额定载荷

极限转速

安装尺寸

适合的内圈代号

Shaft

Designation

Mass

Designation

Mass

Dimensions

Basic Load Ratings

Limiting

Mounting

Designation

Diameter

with Dust

Fw

D

D1

D2

C

C1

C2

dw

r

径向 Radial

轴向 Axial

Speed

Dimensions

Lnner Ring

Shield

动 Cr

静 Cor

动 Cr

静 Cor

da

ra

Dynamic

Static

Dynamic

Static

mm

g

g

max.

max.

-0.25

-0.2

E8

min.

kN

kN

kN

kN

rpm

max.

d×F×B

15

NKXR15

42

NKXR15Z

45

15

24

28.1

29.2

23

9

6.5

15

0.3

8.9

11.4

14.1

36.9

6500

23.7

0.3

IR121516

17

NKXR17

50

NKXR17Z

53

17

26

30.1

31.2

25

9

8.0

17

0.3

11.1

15.7

15.6

43.1

5500

25.7

0.3

IR141717

20

NKXR20

80

NKXR20Z

84

20

30

35.1

36.2

30

10

10.5

20

0.3

18.0

26.2

23.5

64.3

4200

30.7

0.3

IR172020

25

NKXR25

120

NKXR25Z

125

25

37

42.1

43.2

30

11

9.5

25

0.6

21.5

31.6

27.4

77.0

3400

37.7

0.6

IR202520

30

NKXR30

135

NKXR30Z

141

30

42

47.1

48.2

30

11

9.5

30

0.6

24.8

39.8

30.7

93.5

2900

42.7

0.6

IR253020

35

NKXR35

157

NKXR35Z

165

35

47

52.1

53.2

30

12

9.0

35

0.6

25.4

44.1

33.8

110.0

2500

47.7

0.6

IR303520

40

NKXR40

204

NKXR40Z

214

40

52

60.1

61.2

32

13

10.0

40

0.6

27.9

50.4

46.0

150.5

2000

55.7

0.6

IR354020

45

NKXR45

244

NKXR45Z

260

45

58

65.2

66.5

32

14

9.0

45

0.6

30.4

58.6

51.7

180.1

1900

60.5

0.6

IR404520

50

NKXR50

268

NKXR50Z

288

50

62

70.2

71.5

35

14

10.0

50

0.6

34.9

73.1

54.2

197.3

1700

65.5

0.6

IR455025