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球面滚子轴承 球面滚子轴承

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248/850-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

850 mm

D

1030 mm

B

180 mm

Cr

4900000 N

Cor

14900000 N

Cur

900000 N

Reference speed

144 rpm

Limiting speed

530 rpm

Mounting dimensions

da min

868 mm Shaft shoulder minimum diameter ,

rmin

5 mm Minimum chamfer size ,

Da max

1,012 mm Maximum diameter of housing shoulder ,

ra max

4 mm Maximum pocket radius ,

ds

8 mm Lubrication hole diameter ,

ns

15 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

4.4 Axial dynamic load factor

Y2

6.56 Axial dynamic load factor

Y0

4.31 Axial static load factor
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