Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. LM613449/10

Specification data (main 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 :e0.42
Axial load factors : Y11.44
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

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

2026/06/26