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球面滚子轴承 球面滚子轴承

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249/800-B-K30-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

800 mm

D

1060 mm

B

258 mm

Cr

7700000 N

Cor

20300000 N

Cur

1390000 N

Reference speed

133 rpm

Limiting speed

480 rpm

Mounting dimensions

da min

823 mm Shaft shoulder minimum diameter ,

rmin

6 mm Minimum chamfer size ,

Da max

1,037 mm Maximum diameter of housing shoulder ,

ra max

5 mm Maximum pocket radius ,

ds

12.5 mm Lubrication hole diameter ,

ns

23.5 mm Lubrication groove width

Temperature range

T min

-30 °C Minimum operating temperature

T max

200 °C Maximum operating temperature

Calculation coefficient

e

0.23 Fa/Fr corresponds to different X and Y coefficients

Y1

2.98 Axial dynamic load factor

Y2

4.44 Axial dynamic load factor

Y0

2.92 Axial static load factor

上一篇:238/800-B-K-MB

下一篇:248/850-MB

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