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圆柱滚子轴承 圆柱滚子轴承

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NU1992-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

460 mm

D

620 mm

B

74 mm

Cr

1020000 N

Cor

1970000 N

Cur

157000 N

Reference speed

860 rpm

Limiting speed

1770 rpm

Mounting dimensions

damin

475 Minimum diameter of shaft shoulder

rmin

4 Minimum chamfer size

damax

498 Maximum diameter of shaft shoulder

r1min

4 Minimum chamfer size

s

8.4 Axial displacement

dbmin

506 Minimum shaft shoulder

Damax

605 Maximum diameter of bearing block shoulder

E

578 Outer race diameter

F

502 Inner race diameter

D1min

562.8 Minimum shoulder diameter of outer ring

ramax

3 Maximum cavity radius

ra1max

3 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature

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