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球面滚子轴承 球面滚子轴承

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248/750-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

750 mm

D

920 mm

B

170 mm

Cr

4150000 N

Cor

12500000 N

Cur

760000 N

Reference speed

160 rpm

Limiting speed

570 rpm

Mounting dimensions

da min

768 mm Shaft shoulder minimum diameter

r min

5 mm Minimum chamfer size

D1

868.2 mm Outer ring inner diameter

Da max

902 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

0.16 Fa/Fr corresponds to different X and Y coefficients

Y1

4.11 Axial dynamic load factor

Y2

6.12 Axial dynamic load factor

Y0

4.02 Axial static load factor
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