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圆柱滚子轴承 圆柱滚子轴承

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NJ306-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

30 mm

D

72 mm

B

19 mm

Cr

61000 N

Cor

48000 N

Cur

7800 N

Reference speed

8900 rpm

Limiting speed

18500 rpm

Mounting dimensions

damin

37 Minimum diameter of shaft shoulder

rmin

1.1 Minimum chamfer size

damax

40 Maximum diameter of shaft shoulder

r1min

1.1 Minimum chamfer size

s

1.2 Axial displacement

Damax

65 Maximum diameter of bearing block shoulder

E

62.5 Outer race diameter

F

40.5 Inner race diameter

D1min

59.2 Minimum shoulder diameter of outer ring

dcmin

48 Minimum shaft shoulder

d1

44.95 Maximum flange diameter of inner ring

ramax

1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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