M252349/M252310 bearing
Bearing NO. :M252349/M252310
Boundary dimensions(mm)
d :269.875
D :381
T :74.612
B :74.612
C :57.15
r 1.2min :6.4
r 3.4min :3.3
Basic load ratings(kN)
Cr :790
Cor :1590
Limiting speed(rpm)
Grease :850
Oil :1200
Application point
a :68.8
Abutment and fillet dimensions(mm)
da max :304
db min :285
Da max :356
Db min :370
ra max :6.4
rb max :3.3
Value
e :0.33
Y :1.8
Y0 :0.99
Weight (kg)
Refer :24.8
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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