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31300 Series

31319J2 bearing

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  • 31300 Series
  • 31300 Series
Designation :31319J2
Principal dimensions（mm）
d1 :95
D :200
B :49,5
Basic load ratings（KN）
dyc(Cr) :292
stc(Cor) :355
Pu :39
Speed ratings（rpm）
Speed Ratings :2400
Limiting Speed :3400
Weight(Kg) :6,95
ISO335 
Dimensions (ABMA) :7GB
Dimensions （mm）
d :95
d1～ :145
B :45
C :32
r1,2(min) :4
r3,4(min) :3
a :60
Abutment and fillet dimensions （mm）
da(max) :114
db(min) :110
Da(min) :157
Da(max) :186
Db(min) :187
Ca(min) :5
Cb(min) :17,5
ra(max) :3
rb(max) :2,5
Value
e :0,83
Y :0,72
Yo :0,4

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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