LM739749/LM739710 bearing
Bearing NO. :LM739749/LM739710
Boundary dimensions(mm)
d :196.85
D :257.175
T :39.688
B :39.688
C :30.162
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :271
Cor :620
Limiting speed(rpm)
Grease :1100
Oil :1600
Application point
a :51.3
Abutment and fillet dimensions(mm)
da max :218
db min :206
Da max :240
Db min :251
ra max :3.5
rb max :3.3
Value
e :0.45
Y :1.3
Y0 :0.73
Weight (kg)
Refer :5.33
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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