M667944/M667911 bearing
Bearing NO. :M667944/M667911
Boundary dimensions(mm)
d :406.4
D :546.1
T :87.313
B :87.313
C :68.263
r 1.2min :6.4
r 3.4min :6.4
Basic load ratings(kN)
Cr :1330
Cor :2870
Limiting speed(rpm)
Grease :560
Oil :750
Application point
a :105.1
Abutment and fillet dimensions(mm)
da max :427
db min :438
Da max :510
Db min :525
ra max :6.4
rb max :6.4
Value
e :0.42
Y :1.44
Y0 :0.79
Weight (kg)
Refer :53.7
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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