JHM840449/JHM840410 bearing
Bearing NO. :JHM840449/JHM840410
Boundary dimensions(mm)
d :200
D :300
T :65
B :62
C :51
r 1.2min :3.5
r 3.4min :2.5
Basic load ratings(kN)
Cr :615
Cor :1130
Limiting speed(rpm)
Grease :950
Oil :1400
Application point
a :73.1
Abutment and fillet dimensions(mm)
da max :230
db min :211
Da max :274
Db min :292
ra max :3.5
rb max :2.5
Value
e :0.52
Y :1.2
Y0 :0.63
Weight (kg)
Refer :15.5
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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