LM742745/LM742710 bearing
Bearing NO. :LM742745/LM742710
Boundary dimensions(mm)
d :212.725
D :285.75
T :46.038
B :46.038
C :34.925
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :350
Cor :755
Limiting speed(rpm)
Grease :1000
Oil :1500
Application point
a :60.4
Abutment and fillet dimensions(mm)
da max :237
db min :224
Da max :267
Db min :280
ra max :3.5
rb max :3.3
Value
e :0.48
Y :1.2
Y0 :0.69
Weight (kg)
Refer :8.15
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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