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球面滚子轴承 球面滚子轴承

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248/560-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

560 mm

D

680 mm

B

118 mm

Cr

2210000 N

Cor

6300000 N

Cur

400000 N

Reference speed

250 rpm

Limiting speed

840 rpm

Mounting dimensions

da min

542 mm Shaft shoulder minimum diameter ,

rmin

3 mm Minimum chamfer size ,

Da max

638 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

0.15 Fa/Fr corresponds to different X and Y coefficients

Y1

4.47 Axial dynamic load factor

Y2

6.65 Axial dynamic load factor

Y0

4.37 Axial static load factor
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