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30200 Series

30244J2 bearing

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  • 30200 Series
  • 30200 Series
Designation :30244J2
Principal dimensions（mm）
d1 :220
D :400
B :72
Basic load ratings（KN）
dyc(Cr) :990
stc(Cor) :1400
Pu :129
Speed ratings（rpm）
Speed Ratings :1200
Limiting Speed :1600
Weight(Kg) :40,0
ISO335 
Dimensions (ABMA) :-
Dimensions （mm）
d :220
d1～ :294
B :65
C :54
r1,2(min) :5
r3,4(min) :4
a :74
Abutment and fillet dimensions （mm）
da(max) :259
db(min) :242
Da(min) :348
Da(max) :383
Db(min) :371
Ca(min) :10
Cb(min) :18
ra(max) :4
rb(max) :3
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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