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圆柱滚子轴承 圆柱滚子轴承

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NJ2340-EX-TB-M1_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

200 mm

D

420 mm

B

138 mm

Cr

2040000 N

Cor

2900000 N

Cur

315000 N

Reference speed

940 rpm

Limiting speed

2330 rpm

Mounting dimensions

damin

220 Minimum diameter of shaft shoulder

rmin

5 Minimum chamfer size

damax

250.7 Maximum diameter of shaft shoulder

r1min

5 Minimum chamfer size

s

11.3 Axial displacement

Damax

400 Maximum diameter of bearing block shoulder

E

400 Outer race diameter

F

253 Inner race diameter

D1min

352.2 Minimum shoulder diameter of outer ring

dcmin

279 Minimum shaft shoulder

d1

277.8 Maximum flange diameter of inner ring

ramax

4 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
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