LL758744/LL758715 bearing
Bearing NO. :LL758744/LL758715
Boundary dimensions(mm)
d :323.85
D :381
T :28.575
B :28.575
C :20.638
r 1.2min :3.6
r 3.4min :3.3
Basic load ratings(kN)
Cr :219
Cor :570
Limiting speed(rpm)
Grease :670
Oil :900
Application point
a :64.8
Abutment and fillet dimensions(mm)
da max :338
db min :340
Da max :363
Db min :369
ra max :3.6
rb max :3.3
Value
e :0.44
Y :1.36
Y0 :0.75
Weight (kg)
Refer :5.15
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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