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

Bearing No. 46284A

Specifications
(Boundary 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 e()0.39
Axial load factors : Y2()1.74
Axial load factors : Y3()2.59
Axial load factors : Y0()1.70

Mounting dimensions

da(min.)(mm)448
Da(min.)(mm)589
Sa(min.)(mm)19
ra(max.)(mm)5
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 176
JTEKT

2025/05/30