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圆柱滚子轴承 圆柱滚子轴承

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NU244-E-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

220 mm

D

400 mm

B

65 mm

Cr

950000 N

Cor

1330000 N

Cur

106000 N

Reference speed

1380 rpm

Limiting speed

2600 rpm

Mounting dimensions

damin

237 Minimum diameter of shaft shoulder

rmin

4 Minimum chamfer size

damax

265 Maximum diameter of shaft shoulder

r1min

4 Minimum chamfer size

s

5.5 Axial displacement

dbmin

271 Minimum shaft shoulder

Damax

383 Maximum diameter of bearing block shoulder

E

358 Outer race diameter

F

268 Inner race diameter

D1min

344.9 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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