Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. LM603049/11

Specifications
(Boundary dimensions ...etc)

d(mm)45.242
D(mm)77.788
T(mm)19.842
B(mm)19.842
C(mm)15.080
r(min.)(mm)3.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)71.7
Basic load ratings : C0r(kN)73.5
Fatigue load limit : Cu(kN)10.7
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)6500
Load center spread : a(mm)17.5
Constant :e()0.43
Axial load factors : Y1()1.41
Axial load factors : Y0()0.77

Mounting dimensions

da(mm)57.0
db(mm)50.0
Da(mm)71.0
Db(mm)74.0
ra(max.)(mm)3.6
rb(max.)(mm)0.8

Refer.

(Refer.)Mass(kg) 0.363
JTEKT

2025/05/14