Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDI type


Bearing No. 45260

Specification data (main dimensions, etc.)

d(mm)300
D(mm)460
B(mm)118
T(mm)118
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)1870
Basic load ratings : C0r(kN)3150
Fatigue load limit : Cu(kN)325
Limiting speeds(Grease lub.)(min-1)500
Limiting speeds(Oil lub.)(min-1)670
Constant e0.25
Axial load factors : Y22.74
Axial load factors : Y34.08
Axial load factors : Y02.68

Mounting dimensions,weight (reference)

da(max.)(mm)350 mm
Da(max.)(mm)442 mm
Da(min.)(mm)418 mm
Sa(min.)(mm)6 mm
ra(max.)(mm)3 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)78.5 kg
JTEKT

2026/07/05