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30200 Series

30203J2 bearing

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  • 30200 Series
  • 30200 Series
Designation :30203J2
Principal dimensions（mm）
d1 :17
D :40
B :13,25
Basic load ratings（KN）
dyc(Cr) :19
stc(Cor) :18,6
Pu :1,83
Speed ratings（rpm）
Speed Ratings :13000
Limiting Speed :18000
Weight(Kg) :0,075
ISO335 
Dimensions (ABMA) :2DB
Dimensions （mm）
d :17
d1～ :28
B :12
C :11
r1,2(min) :1
r3,4(min) :1
a :10
Abutment and fillet dimensions （mm）
da(max) :23
db(min) :23
Da(min) :34
Da(max) :34
Db(min) :37
Ca(min) :2
Cb(min) :2
ra(max) :1
rb(max) :1
Value
e :0,35
Y :1,7
Yo :0,9

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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