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圆柱滚子轴承 圆柱滚子轴承

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NUP228-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

140 mm

D

250 mm

B

42 mm

Cr

460000 N

Cor

510000 N

Cur

79000 N

Reference speed

2600 rpm

Limiting speed

4900 rpm

Mounting dimensions

d1

179.4 Maximum flange diameter of inner ring

rmin

3 Minimum chamfer size

D1min

216.7 Minimum shoulder diameter of outer ring

r1min

3 Minimum chamfer size

damin

154 Minimum diameter of shaft shoulder

E

225 Outer race diameter

dcmin

182 Minimum shaft shoulder

F

169 Inner race diameter

Damax

236 Maximum diameter of bearing block shoulder

B3

7 Loose edge width

ramax

2.5 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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