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249/1320-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

1320 mm

D

1720 mm

B

400 mm

Cr

17700000 N

Cor

52000000 N

Cur

3050000 N

Reference speed

62 rpm

Limiting speed

265 rpm

Mounting dimensions

da min

1,348 mm Shaft shoulder minimum diameter ,

rmin

7.5 mm Minimum chamfer size ,

Da max

1,640 mm Maximum diameter of housing shoulder ,

ra max

6 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

0.2 Fa/Fr corresponds to different X and Y coefficients

Y1

3.31 Axial dynamic load factor

Y2

4.92 Axial dynamic load factor

Y0

3.23 Axial static load factor

上一篇:248/1320-B-MB

下一篇:248/1400-B-MB

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