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


Bearing No. 45248

Specification data (main dimensions, etc.)

d(mm)240
D(mm)360
B(mm)92
T(mm)92
r(min.)(mm)3
r1(min.)(mm)4
Basic load ratings : Cr(kN)1150
Basic load ratings : C0r(kN)1790
Fatigue load limit : Cu(kN)200
Limiting speeds(Grease lub.)(min-1)690
Limiting speeds(Oil lub.)(min-1)920
Constant e0.32
Axial load factors : Y22.12
Axial load factors : Y33.15
Axial load factors : Y02.07

Mounting dimensions,weight (reference)

da(max.)(mm)271 mm
Da(max.)(mm)346 mm
Da(min.)(mm)325 mm
Sa(min.)(mm)5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)32.2 kg
JTEKT

2026/08/05