EE450577/451212 bearing
Bearing NO. :EE450577/451212
Boundary dimensions(mm)
d :146.05
D :307.975
T :88.9
B :93.662
C :61.912
r 1.2min :9.7
r 3.4min :6.8
Basic load ratings(kN)
Cr :745
Cor :1070
Limiting speed(rpm)
Grease :950
Oil :1400
Application point
a :61.5
Abutment and fillet dimensions(mm)
da max :196
db min :171
Da max :271
Db min :289
ra max :9.7
rb max :6.8
Value
e :0.33
Y :1.8
Y0 :1
Weight (kg)
Refer :28.8
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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