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


Bearing No. 46284A

Specification data (main dimensions, etc.)

d(mm)420
D(mm)620
T(mm)188
C(mm)150
r(min.)(mm)6
r1(min.)(mm)2
Basic load ratings : Cr(kN)3390
Basic load ratings : C0r(kN)5660
Fatigue load limit : Cu(kN)534
Limiting speeds(Grease lub.)(min-1)320
Limiting speeds(Oil lub.)(min-1)430
Constant e0.39
Axial load factors : Y21.74
Axial load factors : Y32.59
Axial load factors : Y01.70

Mounting dimensions,weight (reference)

da(min.)(mm)448 mm
Da(min.)(mm)589 mm
Sa(min.)(mm)19 mm
ra(max.)(mm)5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)176 kg
JTEKT

2026/07/19