LM772748/LM772710 bearing
Bearing NO. :LM772748/LM772710
Boundary dimensions(mm)
d :488.95
D :634.873
T :84.138
B :84.138
C :61.912
r 1.2min :6.4
r 3.4min :3.3
Basic load ratings(kN)
Cr :1370
Cor :3200
Limiting speed(rpm)
Grease :450
Oil :600
Application point
a :124.7
Abutment and fillet dimensions(mm)
da max :532
db min :508
Da max :602
Db min :623
ra max :6.4
rb max :3.3
Value
e :0.47
Y :1.3
Y0 :0.7
Weight (kg)
Refer :63.9
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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