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圆柱滚子轴承 圆柱滚子轴承

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NJ424-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

120 mm

D

310 mm

B

72 mm

Cr

850000 N

Cor

840000 N

Cur

131000 N

Reference speed

2200 rpm

Limiting speed

3950 rpm

Mounting dimensions

damin

144 Minimum diameter of shaft shoulder

rmin

5 Minimum chamfer size

damax

168 Maximum diameter of shaft shoulder

r1min

5 Minimum chamfer size

s

6.9 Axial displacement

Damax

286 Maximum diameter of bearing block shoulder

E

260 Outer race diameter

F

170 Inner race diameter

D1min

243.9 Minimum shoulder diameter of outer ring

dcmin

190 Minimum shaft shoulder

d1

187.3 Maximum flange diameter of inner ring

ramax

4 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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