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圆柱滚子轴承 圆柱滚子轴承

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NN3030-AS-K-M-SP_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

150 mm

D

225 mm

B

56 mm

Cr

335000 N

Cor

590000 N

Cur

73000 N

Grease lubrication speed

3650 rpm

Oil lubrication speed

4250 rpm

Mounting dimensions

da

172 Minimum diameter of shaft shoulder

r1min

2.1 Minimum chamfer dimension

H

12 diameter of housing shoulder tolerance

E

206 Outer race diameter

Da

210 Maximum diameter of bearing block shoulder

ns

9.5 Slot width of lubricating groove

ds

4.8 Lubrication hole diameter

H

12 diameter of housing shoulder tolerance

s

3.8 Axial displacement

ra1max

2.1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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