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圆柱滚子轴承 圆柱滚子轴承

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NJ234-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

170 mm

D

310 mm

B

52 mm

Cr

700000 N

Cor

780000 N

Cur

119000 N

Reference speed

1970 rpm

Limiting speed

3850 rpm

Mounting dimensions

damin

187 Minimum diameter of shaft shoulder

rmin

4 Minimum chamfer size

damax

204 Maximum diameter of shaft shoulder

r1min

4 Minimum chamfer size

s

4.3 Axial displacement

Damax

293 Maximum diameter of bearing block shoulder

E

279 Outer race diameter

F

207 Inner race diameter

D1min

268.5 Minimum shoulder diameter of outer ring

dcmin

223 Minimum shaft shoulder

d1

218.4 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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