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圆柱滚子轴承 圆柱滚子轴承

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NU209-E-XL-TVP2_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

45 mm

D

85 mm

B

19 mm

Cr

72000 N

Cor

63000 N

Cur

8300 N

Reference speed

7000 rpm

Limiting speed

10200 rpm

Mounting dimensions

damin

52 Minimum diameter of shaft shoulder

rmin

1.1 Minimum chamfer size

damax

54 Maximum diameter of shaft shoulder

r1min

1.1 Minimum chamfer size

s

1 Axial displacement

dbmin

57 Minimum shaft shoulder

Damax

78 Maximum diameter of bearing block shoulder

E

76.5 Outer race diameter

F

54.5 Inner race diameter

D1min

73.3 Minimum shoulder diameter of outer ring

ramax

1 Maximum cavity radius

ra1max

1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

120 °C Maximum operating temperature

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