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


Bearing No. 46280A

Specification data (main dimensions, etc.)

d(mm)400
D(mm)600
T(mm)185
C(mm)148
r(min.)(mm)6
r1(min.)(mm)2
Basic load ratings : Cr(kN)3030
Basic load ratings : C0r(kN)5150
Fatigue load limit : Cu(kN)491
Limiting speeds(Grease lub.)(min-1)340
Limiting speeds(Oil lub.)(min-1)460
Constant e0.32
Axial load factors : Y22.12
Axial load factors : Y33.15
Axial load factors : Y02.07

Mounting dimensions,weight (reference)

da(min.)(mm)428 mm
Da(min.)(mm)563 mm
Sa(min.)(mm)18.5 mm
ra(max.)(mm)5 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)167 kg
JTEKT

2026/08/03