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圆柱滚子轴承 圆柱滚子轴承

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NUP238-E-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

190 mm

D

340 mm

B

55 mm

Cr

680000 N

Cor

930000 N

Cur

112000 N

Reference speed

1720 rpm

Limiting speed

3050 rpm

Mounting dimensions

d1

244 Maximum flange diameter of inner ring

rmin

4 Minimum chamfer size

D1min

295 Minimum shoulder diameter of outer ring

r1min

4 Minimum chamfer size

damin

207 Minimum diameter of shaft shoulder

E

306 Outer race diameter

dcmin

247 Minimum shaft shoulder

F

230 Inner race diameter

Damax

323 Maximum diameter of bearing block shoulder

B3

8.5 Loose edge width

ramax

3 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature

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