M268730/M268710 bearing
Bearing NO. :M268730/M268710
Boundary dimensions(mm)
d :381
D :590.55
T :114.3
B :114.3
C :88.9
r 1.2min :6.4
r 3.4min :6.4
Basic load ratings(kN)
Cr :1980
Cor :4470
Limiting speed(rpm)
Grease :600
Oil :800
Application point
a :103.7
Abutment and fillet dimensions(mm)
da max :401
db min :459
Da max :545
Db min :560
ra max :6.4
rb max :6.4
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :116
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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