Inch Series

LM742747/LM742710

  • Inch Series
  • Inch Series

Description

Tapered roller bearings feature a cup and cone assembly. The cup is comprised of the outer ring and the cone assembly consists of inner ring, rollers, and cage. This bearing construction accommodates combined loads and provides low friction during operation. By adjusting one single row tapered roller bearing against a second tapered roller bearing and applying a preload, a rigid bearing application can be achieved.

Dimension and Parameters

Bearing NO. :LM742747/LM742710
Boundary dimensions(mm)
d :216.408
D :285.75
T :46.038
B :49.212
C :34.925
r 1.2min :3.5
r 3.4min :3.3
Basic load ratings(kN)
Cr :352
Cor :780
Limiting speed(rpm)
Grease :1000
Oil :1500
Application point
a :60
Abutment and fillet dimensions(mm)
da max :230
db min :230
Da max :271
Db min :277
ra max :3
rb max :3
Value
e :0.48
Y :1.25
Y0 :0.7
Weight (kg)
Refer :7.85