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Inch Series

HH249949/HH249910 bearing

  • Inch Series
  • Inch Series
Bearing NO. :HH249949/HH249910
Boundary dimensions(mm)
d :247.65
D :406.4
T :115.888
B :117.475
C :93.662
r 1.2min :6.4
r 3.4min :6.4
Basic load ratings(kN)
Cr :1530
Cor :2920
Limiting speed(rpm)
Grease :800
Oil :1100
Application point
a :87.4
Abutment and fillet dimensions(mm)
da max :293
db min :266
Da max :366
Db min :392
ra max :6.4
rb max :6.4
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :58.2

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.