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33000 Series

33021/Q bearing

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  • 33000 Series
  • 33000 Series
Designation :33021/Q
Principal dimensions（mm）
d1 :105
D :160
B :43
Basic load ratings（KN）
dyc(Cr) :246
stc(Cor) :430
Pu :45,5
Speed ratings（rpm）
Speed Ratings :2800
Limiting Speed :3800
Weight(Kg) :3,05
ISO335 
Dimensions (ABMA) :2DE
Dimensions （mm）
d :105
d1～ :131
B :43
C :34
r1,2(min) :2,5
r3,4(min) :2
a :31
Abutment and fillet dimensions （mm）
da(max) :117
db(min) :116
Da(min) :145
Da(max) :150
Db(min) :153
Ca(min) :7
Cb(min) :9
ra(max) :2
rb(max) :2
Value
e :0,28
Y :2,1
Yo :1,1

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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