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Inch Series

38886/38820XX bearing

  • Inch Series
  • Inch Series
Bearing NO. :38886/38820XX
Boundary dimensions(mm)
d :266.7
D :325.438
T :28.575
B :33.47
C :25.4
r 1.2min :1.6
r 3.4min :1.6
Basic load ratings(kN)
Cr :217
Cor :7
Limiting speed(rpm)
Grease :850
Oil :1200
Application point
a :48.6
Abutment and fillet dimensions(mm)
da max :276
db min :281
Da max :306
Db min :312
ra max :1.6
rb max :1.6
Value
e :0.37
Y :1.64
Y0 :0.9
Weight (kg)
Refer :4.97

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.