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30300 Series

30352J2 bearing

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  • 30300 Series
  • 30300 Series
Designation :30352J2
Principal dimensions（mm）
d1 :260
D :540
B :113
Basic load ratings（KN）
dyc(Cr) :2120
stc(Cor) :3050
Pu :250
Speed ratings（rpm）
Speed Ratings :850
Limiting Speed :1200
Weight(Kg) :110
ISO335 
Dimensions (ABMA) :-
Dimensions （mm）
d :260
d1～ :376
B :102
C :85
r1,2(min) :6
r3,4(min) :6
a :97
Abutment and fillet dimensions （mm）
da(max) :325
db(min) :286
Da(min) :461
Da(max) :514
Db(min) :493
Ca(min) :15
Cb(min) :28
ra(max) :5
rb(max) :5
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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