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


Bearing No. 45384

Specification data (main dimensions, etc.)

d(mm)420
D(mm)700
B(mm)224
T(mm)224
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)5430
Basic load ratings : C0r(kN)8380
Fatigue load limit : Cu(kN)777
Limiting speeds(Grease lub.)(min-1)280
Limiting speeds(Oil lub.)(min-1)380
Constant e0.39
Axial load factors : Y21.74
Axial load factors : Y32.59
Axial load factors : Y01.70

Mounting dimensions,weight (reference)

da(max.)(mm)488 mm
Da(max.)(mm)672 mm
Da(min.)(mm)623 mm
Sa(min.)(mm)7 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Mass(Refer.)(kg)352 kg
JTEKT

2026/07/19