LL428349/LL428310 bearing
Bearing NO. :LL428349/LL428310
Boundary dimensions(mm)
d :139.7
D :180.975
T :21.433
B :20.638
C :16.67
r 1.2min :1.5
r 3.4min :1.5
Basic load ratings(kN)
Cr :104
Cor :194
Limiting speed(rpm)
Grease :1600
Oil :2300
Application point
a :29.8
Abutment and fillet dimensions(mm)
da max :152
db min :147
Da max :171
Db min :176
ra max :1.5
rb max :1.5
Value
e :0.37
Y :1.6
Y0 :0.9
Weight (kg)
Refer :1.36
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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