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球面滚子轴承 球面滚子轴承

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248/1320-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

1320 mm

D

1600 mm

B

280 mm

Cr

10300000 N

Cor

35000000 N

Cur

1950000 N

Reference speed

71 rpm

Limiting speed

295 rpm

Mounting dimensions

da min

1,343 mm Shaft shoulder minimum diameter

r min

7.5 mm Minimum chamfer size

D1

1,512.8 mm Outer ring inner diameter

Da max

1,577 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

0.15 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

上一篇:249/1250-B-MB

下一篇:249/1320-B-MB

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