13636661571

#
圆柱滚子轴承 圆柱滚子轴承

当前位置 型号目录 > 圆柱滚子轴承

MODEL search
Contact Us
联系我们
服务热线:13636661571
手机号码:13636661571
电子邮箱:1403545967@qq.com
报名地址:上海市奉贤区泰叶路159弄33号

NNU4948-S-K-M-SP_Cylindrical Roller Bearings

Main Dimensions & Performance Data

d

240 mm

D

320 mm

B

80 mm

Cr

530000 N

Cor

1210000 N

Cur

138000 N

Grease lubrication speed

2400 rpm

Oil lubrication speed

2800 rpm

Mounting dimensions

da

263 Minimum diameter of shaft shoulder

r1min

2.1 Minimum chamfer dimension

H

12 diameter of housing shoulder tolerance

F

265 Inner race diameter

Da

299 Maximum diameter of bearing block shoulder

ns

12.2 Slot width of lubricating groove

ds

6.3 Lubrication hole diameter

H

12 diameter of housing shoulder tolerance

s

4.3 Axial displacement

ra1max

2.1 Maximum cavity radius

Temperature range

Tmin

-30 °C Minimum operating temperature

Tmax

150 °C Maximum operating temperature
返回顶部