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30200 Series

30218J2 bearing

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  • 30200 Series
  • 30200 Series
Designation :30218J2
Principal dimensions（mm）
d1 :90
D :160
B :32,5
Basic load ratings（KN）
dyc(Cr) :194
stc(Cor) :245
Pu :28,5
Speed ratings（rpm）
Speed Ratings :3000
Limiting Speed :4000
Weight(Kg) :2,55
ISO335 
Dimensions (ABMA) :3FB
Dimensions （mm）
d :90
d1～ :118
B :30
C :26
r1,2(min) :2,5
r3,4(min) :2
a :31
Abutment and fillet dimensions （mm）
da(max) :104
db(min) :101
Da(min) :140
Da(max) :150
Db(min) :150
Ca(min) :5
Cb(min) :6,5
ra(max) :2
rb(max) :2
Value
e :0,43
Y :1,4
Yo :0,8

Tapered roller bearings are made of inner races called cones and outer races call cups. They are called tapered roller bearings because the cone assembly is narrower in one end and the races are built with one side narrower as well to match the rollers. This bearing construction is ideal for environments where high speed and heavy loads occur, and a low friction is needed. Tapered roller bearings are widely used in applications like automotive, rail, gearboxes, agriculture, machine tools, construction and more.


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