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圆柱滚子轴承 圆柱滚子轴承

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NU2305-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

25 mm

D

62 mm

B

24 mm

Cr

67000 N

Cor

56000 N

Cur

9300 N

Reference speed

8200 rpm

Limiting speed

21500 rpm

Mounting dimensions

damin

32 Minimum diameter of shaft shoulder

rmin

1.1 Minimum chamfer size

damax

33 Maximum diameter of shaft shoulder

r1min

1.1 Minimum chamfer size

s

1.9 Axial displacement

dbmin

37 Minimum shaft shoulder

Damax

55 Maximum diameter of bearing block shoulder

E

54 Outer race diameter

F

34 Inner race diameter

D1min

50.65 Minimum shoulder diameter of outer ring

ramax

1 Maximum cavity radius

ra1max

1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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