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圆柱滚子轴承 圆柱滚子轴承

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NU303-E-XL-TVP2_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

17 mm

D

47 mm

B

14 mm

Cr

30000 N

Cor

21200 N

Cur

2700 N

Reference speed

13500 rpm

Limiting speed

22500 rpm

Mounting dimensions

damin

21.2 Minimum diameter of shaft shoulder

rmin

1 Minimum chamfer size

damax

23.5 Maximum diameter of shaft shoulder

r1min

0.6 Minimum chamfer size

s

1.2 Axial displacement

dbmin

25 Minimum shaft shoulder

Damax

42.8 Maximum diameter of bearing block shoulder

E

40.2 Outer race diameter

F

24.2 Inner race diameter

D1min

37.1 Minimum shoulder diameter of outer ring

ramax

1 Maximum cavity radius

ra1max

0.6 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

120 °C Maximum operating temperature
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