EE640191/640260 bearing
Bearing NO. :EE640191/640260
Boundary dimensions(mm)
d :488.671
D :660.4
T :93.662
B :94.458
C :69.85
r 1.2min :6.4
r 3.4min :6.4
Basic load ratings(kN)
Cr :1700
Cor :3800
Limiting speed(rpm)
Grease :450
Oil :600
Application point
a :98.2
Abutment and fillet dimensions(mm)
da max :535
db min :511
Da max :624
Db min :643
ra max :6.4
rb max :6.4
Value
e :0.31
Y :2
Y0 :1.1
Weight (kg)
Refer :87.7
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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