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


Bearing No. 33287/462

Specification data (main dimensions, etc.)

d(mm)73.025
D(mm)117.475
T(mm)30.162
B(mm)30.162
C(mm)23.812
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)148
Basic load ratings : C0r(kN)179
Fatigue load limit : Cu(kN)27.4
Limiting speeds(Grease lub.)(min-1)3200
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)27.8
Constant :e0.44
Axial load factors : Y11.38
Axial load factors : Y00.76

Mounting dimensions,weight (reference)

da(mm)87.0 mm
db(mm)80.0 mm
Da(mm)104.0 mm
Db(mm)112.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)1.183 kg
JTEKT

2026/07/04