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深沟球轴承 深沟球轴承

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7284-B-MPB_Thin Wall Bearing

Main Dimensions & Performance Data

d

420 mm

D

760 mm

B

109 mm

Reference speed

790 rpm

Mounting dimensions

da min

452 mm Shaft shoulder minimum diameter

r min

7.5 mm Minimum chamfer size

Da max

728 mm Maximum diameter of housing shoulder

r1 min

4 mm Minimum chamfer size

D1

619 mm Inner ring rib diameter

Db max

743 mm Maximum diameter of outer ring

ra max

6 mm Maximum pocket radius

ra1 max

3 mm Maximum pocket radius

d1

560.7 mm Inner ring rib diameter

a

302 mm Pressure cone tip distance

α

40 ° Contact angle

Temperature range

T min

-30 °C Minimum operating temperature

T max

200 °C Maximum operating temperature

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