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


Bearing No. 45348

Specification data (main dimensions, etc.)

d(mm)240
D(mm)400
B(mm)128
T(mm)128
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)1650
Basic load ratings : C0r(kN)2470
Fatigue load limit : Cu(kN)265
Limiting speeds(Grease lub.)(min-1)630
Limiting speeds(Oil lub.)(min-1)840
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)286 mm
Da(max.)(mm)382 mm
Da(min.)(mm)354 mm
Sa(min.)(mm)5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)4 mm
Mass(Refer.)(kg)65.4 kg
JTEKT

2026/08/03