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圆柱滚子轴承 圆柱滚子轴承

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NU344-E-TB-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

220 mm

D

460 mm

B

88 mm

Cr

1440000 N

Cor

1890000 N

Cur

138000 N

Reference speed

1140 rpm

Limiting speed

2170 rpm

Mounting dimensions

damin

240 Minimum diameter of shaft shoulder

rmin

5 Minimum chamfer size

damax

279 Maximum diameter of shaft shoulder

r1min

5 Minimum chamfer size

s

7 Axial displacement

dbmin

285 Minimum shaft shoulder

Damax

440 Maximum diameter of bearing block shoulder

E

406 Outer race diameter

F

282 Inner race diameter

D1min

381.2 Minimum shoulder diameter of outer ring

ramax

4 Maximum cavity radius

ra1max

4 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature

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