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


Bearing No. L68149/11

Specification data (main dimensions, etc.)

d(mm)34.980
D(mm)59.975
T(mm)15.875
B(mm)16.764
C(mm)11.938
r(min.)(mm)SP
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)44.9
Basic load ratings : C0r(kN)48.5
Fatigue load limit : Cu(kN)6.85
Limiting speeds(Grease lub.)(min-1)6400
Limiting speeds(Oil lub.)(min-1)8500
Load center spread : a(mm)13.2
Constant :e0.42
Axial load factors : Y11.44
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(mm)45.5 mm
db(mm)39.0 mm
Da(mm)53.0 mm
Db(mm)56.0 mm
ra(max.)(mm)3.5 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.175 kg
JTEKT

2026/07/19