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圆柱滚子轴承 圆柱滚子轴承

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N221-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

105 mm

D

190 mm

B

36 mm

Cr

310000 N

Cor

320000 N

Cur

54000 N

Grease lubrication speed

5500 rpm

Oil lubrication speed

6500 rpm

Mounting dimensions

da

117 Minimum diameter of shaft shoulder

r1min

2.1 Minimum chamfer dimension

s1

1.2 Axial displacement

Da

178 Maximum diameter of bearing block shoulder

E

171.5 Outer race diameter

ra1max

2.1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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