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圆柱滚子轴承 圆柱滚子轴承

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NJ2238-E-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

190 mm

D

340 mm

B

92 mm

Cr

1090000 N

Cor

1650000 N

Cur

204000 N

Reference speed

1290 rpm

Limiting speed

3000 rpm

Mounting dimensions

damin

207 Minimum diameter of shaft shoulder

rmin

4 Minimum chamfer size

damax

227 Maximum diameter of shaft shoulder

r1min

4 Minimum chamfer size

s

8 Axial displacement

Damax

323 Maximum diameter of bearing block shoulder

E

308 Outer race diameter

F

228 Inner race diameter

D1min

296.4 Minimum shoulder diameter of outer ring

dcmin

247 Minimum shaft shoulder

d1

242.7 Maximum flange diameter of inner ring

ramax

3 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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