73551/73875 bearing
Bearing NO. :73551/73875
Boundary dimensions(mm)
d :139.7
D :222.25
T :34.925
B :31.623
C :23.812
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :191
Cor :267
Limiting speed(rpm)
Grease :1400
Oil :1900
Application point
a :41.6
Abutment and fillet dimensions(mm)
da max :162
db min :152
Da max :203
Db min :211
ra max :3.5
rb max :3.3
Value
e :0.44
Y :1.4
Y0 :0.75
Weight (kg)
Refer :4.25
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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