HH258248/HH258210 bearing
Bearing NO. :HH258248/HH258210
Boundary dimensions(mm)
d :299.975
D :495.3
T :141.288
B :141.288
C :114.3
r 1.2min :6.4
r 3.4min :6.4
Basic load ratings(kN)
Cr :2330
Cor :4670
Limiting speed(rpm)
Grease :700
Oil :1000
Application point
a :108.1
Abutment and fillet dimensions(mm)
da max :319
db min :346
Da max :442
Db min :467
ra max :6.4
rb max :6.4
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :106
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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