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


Bearing No. 71412/750

Specification data (main dimensions, etc.)

d(mm)104.775
D(mm)190.500
T(mm)47.625
B(mm)49.212
C(mm)34.925
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)381
Basic load ratings : C0r(kN)483
Fatigue load limit : Cu(kN)60.9
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2600
Load center spread : a(mm)40.9
Constant :e0.42
Axial load factors : Y11.44
Axial load factors : Y00.79

Mounting dimensions,weight (reference)

da(mm)117.0 mm
db(mm)131.0 mm
Da(mm)167.0 mm
Db(mm)177.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)5.68 kg
JTEKT

2026/06/30