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32300 Series

32311J2 bearing

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  • 32300 Series
  • 32300 Series
Designation :32311J2
Principal dimensions（mm）
d1 :55
D :120
B :45,5
Basic load ratings（KN）
dyc(Cr) :198
stc(Cor) :250
Pu :28,5
Speed ratings（rpm）
Speed Ratings :4000
Limiting Speed :5600
Weight(Kg) :2,30
ISO335 
Dimensions (ABMA) :2FD
Dimensions （mm）
d :55
d1～ :84,6
B :43
C :35
r1,2(min) :2,5
r3,4(min) :2
a :29
Abutment and fillet dimensions （mm）
da(max) :68
db(min) :65
Da(min) :99
Da(max) :112
Db(min) :111
Ca(min) :5
Cb(min) :10,5
ra(max) :2
rb(max) :2
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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