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深沟球轴承 深沟球轴承

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618/670-MA_Deep groove ball bearing

Main Dimensions & Performance Data

d

670 mm

D

820 mm

B

69 mm

Cr

445000 N

Cor

910000 N

Cur

19300 N

Reference speed

760 rpm

Limiting speed

1250 rpm

Mounting dimensions

da min

644.6 mm Minimum diameter of shaft shoulder

rmin

4 mm Minimum chamfer size

D1

730.5 mm Inner ring flange diameter

Da max

765.4 mm Maximum diameter of bearing block shoulder

ra max

3 mm Maximum cavity radius

d1

681.1 mm Shoulder diameter inner ring

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

200 °C Maximum operating temperature

Calculation coefficient

f0

15.9 Calculation coefficient

上一篇:618/670-M

下一篇:618/710-M

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