87737/87111 bearing
Bearing NO. :87737/87111
Boundary dimensions(mm)
d :187.325
D :282.575
T :50.8
B :47.625
C :36.512
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :360
Cor :600
Limiting speed(rpm)
Grease :1100
Oil :1600
Application point
a :54.8
Abutment and fillet dimensions(mm)
da max :215
db min :202
Da max :262
Db min :274
ra max :3.5
rb max :3.3
Value
e :0.42
Y :1.4
Y0 :0.79
Weight (kg)
Refer :9.94
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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