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深沟球轴承 深沟球轴承

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61948-MA_Deep groove ball bearing

Main Dimensions & Performance Data

d

240 mm

D

320 mm

B

38 mm

Cr

211000 N

Cor

240000 N

Cur

8600 N

Reference speed

2330 rpm

Limiting speed

3400 rpm

Mounting dimensions

da min

248.8 mm Minimum diameter of shaft shoulder

rmin

2 mm Minimum chamfer size

D1

281.6 mm Inner ring flange diameter

Da max

291.2 mm Maximum diameter of bearing block shoulder

ra max

2 mm Maximum cavity radius

d1

259.3 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

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