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圆柱滚子轴承 圆柱滚子轴承

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NU321-E-XL-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

105 mm

D

225 mm

B

49 mm

Cr

495000 N

Cor

470000 N

Cur

59000 N

Reference speed

3200 rpm

Limiting speed

5300 rpm

Mounting dimensions

damin

119 Minimum diameter of shaft shoulder

rmin

3 Minimum chamfer size

damax

132 Maximum diameter of shaft shoulder

r1min

3 Minimum chamfer size

s

1.4 Axial displacement

dbmin

137 Minimum shaft shoulder

Damax

211 Maximum diameter of bearing block shoulder

E

201 Outer race diameter

F

133 Inner race diameter

D1min

189.7 Minimum shoulder diameter of outer ring

ramax

2.5 Maximum cavity radius

ra1max

2.5 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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