Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. LM102949/10

Specifications
(Boundary dimensions ...etc)

d(mm)45.242
D(mm)73.431
T(mm)19.558
B(mm)19.812
C(mm)15.748
r(min.)(mm)3.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)70.0
Basic load ratings : C0r(kN)78.1
Fatigue load limit : Cu(kN)11.4
Limiting speeds(Grease lub.)(min-1)5100
Limiting speeds(Oil lub.)(min-1)6700
Load center spread : a(mm)14.7
Constant :e()0.31
Axial load factors : Y1()1.97
Axial load factors : Y0()1.08

Mounting dimensions

da(mm)56.0
db(mm)50.0
Da(mm)68.0
Db(mm)70.0
ra(max.)(mm)3.6
rb(max.)(mm)0.8

Refer.

(Refer.)Mass(kg) 0.309
JTEKT

2025/06/25