48290/48220 bearing
Bearing NO. :48290/48220
Boundary dimensions(mm)
d :127
D :182.562
T :39.688
B :38.1
C :33.338
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :228
Cor :445
Limiting speed(rpm)
Grease :1700
Oil :2400
Application point
a :34.2
Abutment and fillet dimensions(mm)
da max :145
db min :135
Da max :167
Db min :177
ra max :3.5
rb max :3.3
Value
e :0.31
Y :2
Y0 :1.1
Weight (kg)
Refer :3.33
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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