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圆柱滚子轴承 圆柱滚子轴承

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NU2084-E-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

420 mm

D

620 mm

B

118 mm

Cr

2330000 N

Cor

4650000 N

Cur

425000 N

Reference speed

620 rpm

Limiting speed

1670 rpm

Mounting dimensions

damin

437 Minimum diameter of shaft shoulder

rmin

5 Minimum chamfer size

damax

469 Maximum diameter of shaft shoulder

r1min

5 Minimum chamfer size

s

6.5 Axial displacement

dbmin

477 Minimum shaft shoulder

Damax

603 Maximum diameter of bearing block shoulder

E

573 Outer race diameter

F

473 Inner race diameter

D1min

556.6 Minimum shoulder diameter of outer ring

ramax

4 Maximum cavity radius

ra1max

4 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature

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