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

Bearing No. 46380A

Specifications
(Boundary dimensions ...etc)

d(mm)400
D(mm)650
T(mm)250
C(mm)200
r(min.)(mm)6
r1(min.)(mm)3
Basic load ratings : Cr(kN)5110
Basic load ratings : C0r(kN)8850
Fatigue load limit : Cu(kN)811
Limiting speeds(Grease lub.)(min-1)310
Limiting speeds(Oil lub.)(min-1)420
Constant e()0.35
Axial load factors : Y2()1.95
Axial load factors : Y3()2.90
Axial load factors : Y0()1.91

Mounting dimensions

da(min.)(mm)428
Da(min.)(mm)610
Sa(min.)(mm)25
ra(max.)(mm)5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 306
JTEKT

2025/06/01