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


Bearing No. 418/414

Specification data (main dimensions, etc.)

d(mm)38.100
D(mm)88.501
T(mm)26.988
B(mm)29.083
C(mm)22.225
r(min.)(mm)3.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)123
Basic load ratings : C0r(kN)112
Fatigue load limit : Cu(kN)17.2
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)6500
Load center spread : a(mm)16.9
Constant :e0.26
Axial load factors : Y12.28
Axial load factors : Y01.25

Mounting dimensions,weight (reference)

da(mm)51.0 mm
db(mm)44.5 mm
Da(mm)77.0 mm
Db(mm)80.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)0.848 kg
JTEKT

2026/07/05