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


Bearing No. H715345/11

Specification data (main dimensions, etc.)

d(mm)71.438
D(mm)136.525
T(mm)46.038
B(mm)46.038
C(mm)36.512
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)290
Basic load ratings : C0r(kN)369
Fatigue load limit : Cu(kN)49.6
Limiting speeds(Grease lub.)(min-1)2800
Limiting speeds(Oil lub.)(min-1)3700
Load center spread : a(mm)37.0
Constant :e0.47
Axial load factors : Y11.27
Axial load factors : Y00.70

Mounting dimensions,weight (reference)

da(mm)93.0 mm
db(mm)87.0 mm
Da(mm)118.0 mm
Db(mm)132.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)3.1 kg
JTEKT

2026/07/01