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球面滚子轴承 球面滚子轴承

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238/670-B-MB_Spherical Roller Bearings

Main Dimensions & Performance Data

d

670 mm

D

820 mm

B

112 mm

Cr

2380000 N

Cor

6900000 N

Cur

460000 N

Reference speed

380 rpm

Limiting speed

810 rpm

Mounting dimensions

da min

684.6 mm Shaft shoulder minimum diameter

r min

4 mm Minimum chamfer size

D1

777.2 mm Outer ring inner diameter

Da max

805.4 mm Maximum diameter of housing shoulder

ra max

3 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

0.12 Fa/Fr corresponds to different X and Y coefficients

Y1

5.72 Axial dynamic load factor

Y2

8.51 Axial dynamic load factor

Y0

5.59 Axial static load factor

上一篇:239/600-B-MB

下一篇:238/710-K-MB

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