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深沟球轴承 深沟球轴承

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7304-B-XL-MP_Thin Wall Bearing

Main Dimensions & Performance Data

d

20 mm

D

52 mm

B

15 mm

Reference speed

11700 rpm

Mounting dimensions

da min

27 mm Shaft shoulder minimum diameter

r min

1.1 mm Minimum chamfer size

Da max

45 mm Maximum diameter of housing shoulder

r1 min

0.6 mm Minimum chamfer size

D1

39.7 mm Inner ring rib diameter

Db max

47.8 mm Maximum diameter of outer ring

ra max

1 mm Maximum pocket radius

ra1 max

0.6 mm Maximum pocket radius

d1

33.04 mm Inner ring rib diameter

a

23 mm Pressure cone tip distance

α

40 ° Contact angle

Temperature range

T min

-30 °C Minimum operating temperature

T max

150 °C Maximum operating temperature

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