Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. LM613449/10

Specifications
(Boundary dimensions ...etc)

d(mm)69.850
D(mm)112.712
T(mm)22.225
B(mm)21.996
C(mm)15.875
r(min.)(mm)1.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)115
Basic load ratings : C0r(kN)127
Fatigue load limit : Cu(kN)19.4
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4400
Load center spread : a(mm)21.9
Constant :e()0.42
Axial load factors : Y1()1.44
Axial load factors : Y0()0.79

Mounting dimensions

da(mm)78.0
db(mm)76.0
Da(mm)104.0
Db(mm)107.0
ra(max.)(mm)1.6
rb(max.)(mm)0.8

Refer.

(Refer.)Mass(kg) 0.8
JTEKT

2025/06/01