JM720249/JM720210 bearing
Bearing NO. :JM720249/JM720210
Boundary dimensions(mm)
d :100
D :155
T :36
B :35
C :28
r 1.2min :3
r 3.4min :2.5
Basic load ratings(kN)
Cr :191
Cor :325
Limiting speed(rpm)
Grease :1900
Oil :2800
Application point
a :36.8
Abutment and fillet dimensions(mm)
da max :118
db min :108
Da max :140
Db min :150
ra max :3
rb max :2.5
Value
e :0.47
Y :1.3
Y0 :0.7
Weight (kg)
Refer :2.45
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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