545112/545141 bearing
Bearing NO. :545112/545141
Boundary dimensions(mm)
d :285.75
D :358.775
T :33.338
B :31.75
C :22.225
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :252
Cor :575
Limiting speed(rpm)
Grease :850
Oil :1200
Application point
a :66.3
Abutment and fillet dimensions(mm)
da max :307
db min :298
Da max :339
Db min :348
ra max :3.5
rb max :3.3
Value
e :0.49
Y :1.2
Y0 :0.67
Weight (kg)
Refer :7.09
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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