LL778149/LL778110 bearing
Bearing NO. :LL778149/LL778110
Boundary dimensions(mm)
d :584.2
D :685.8
T :49.212
B :49.212
C :34.925
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :735
Cor :1970
Limiting speed(rpm)
Grease :370
Oil :470
Application point
a :114.3
Abutment and fillet dimensions(mm)
da max :613
db min :599
Da max :663
Db min :675
ra max :3.5
rb max :3.3
Value
e :0.44
Y :1.4
Y0 :0.75
Weight (kg)
Refer :29.6
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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