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圆柱滚子轴承 圆柱滚子轴承

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NU2068-E-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

340 mm

D

520 mm

B

106 mm

Cr

1960000 N

Cor

3600000 N

Cur

385000 N

Reference speed

790 rpm

Limiting speed

1960 rpm

Mounting dimensions

damin

357 Minimum diameter of shaft shoulder

rmin

5 Minimum chamfer size

damax

381 Maximum diameter of shaft shoulder

r1min

5 Minimum chamfer size

s

8 Axial displacement

dbmin

389 Minimum shaft shoulder

Damax

503 Maximum diameter of bearing block shoulder

E

481 Outer race diameter

F

385 Inner race diameter

D1min

463.8 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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