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


Bearing No. 45352

Specification data (main dimensions, etc.)

d(mm)260
D(mm)440
B(mm)144
T(mm)144
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)2180
Basic load ratings : C0r(kN)3440
Fatigue load limit : Cu(kN)357
Limiting speeds(Grease lub.)(min-1)560
Limiting speeds(Oil lub.)(min-1)750
Constant e0.35
Axial load factors : Y21.95
Axial load factors : Y32.90
Axial load factors : Y01.91

Mounting dimensions,weight (reference)

da(max.)(mm)313 mm
Da(max.)(mm)422 mm
Da(min.)(mm)386 mm
Sa(min.)(mm)6 mm
ra(max.)(mm)3 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)92.2 kg
JTEKT

2026/07/05