HM259048/HM259010 bearing
Bearing NO. :HM259048/HM259010
Boundary dimensions(mm)
d :317.5
D :447.675
T :85.725
B :85.725
C :68.263
r 1.2min :3.6
r 3.4min :3.2
Basic load ratings(kN)
Cr :1060
Cor :2330
Limiting speed(rpm)
Grease :630
Oil :850
Application point
a :79.7
Abutment and fillet dimensions(mm)
da max :332
db min :352
Da max :411
Db min :426
ra max :3.6
rb max :3.2
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :40.9
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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