LM720646/LM720611 bearing
Bearing NO. :LM720646/LM720611
Boundary dimensions(mm)
d :99.975
D :144.975
T :25.4
B :25.4
C :19.05
r 1.2min :1.6
r 3.4min :1.6
Basic load ratings(kN)
Cr :125
Cor :216
Limiting speed(rpm)
Grease :2200
Oil :3200
Application point
a :30.1
Abutment and fillet dimensions(mm)
da max :107
db min :113
Da max :134
Db min :140
ra max :1.6
rb max :1.6
Value
e :0.46
Y :1.31
Y0 :0.72
Weight (kg)
Refer :1.34
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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