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球面滚子轴承 球面滚子轴承

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248/500-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

500 mm

D

620 mm

B

118 mm

Cr

2070000 N

Cor

5700000 N

Cur

270000 N

Reference speed

290 rpm

Limiting speed

930 rpm

Mounting dimensions

da min

512.4 mm Shaft shoulder minimum diameter ,

rmin

3 mm Minimum chamfer size ,

Da max

607.6 mm Maximum diameter of housing shoulder ,

ra max

2.5 mm Maximum pocket radius ,

ds

6.3 mm Lubrication hole diameter ,

ns

12.2 mm Lubrication groove width

Temperature range

T min

-30 °C Minimum operating temperature

T max

200 °C Maximum operating temperature

Calculation coefficient

e

0.17 Fa/Fr corresponds to different X and Y coefficients

Y1

4 Axial dynamic load factor

Y2

5.96 Axial dynamic load factor

Y0

3.91 Axial static load factor
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