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

Bearing No. 46T30208JR/37.5

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)80
T(mm)45
C(mm)37.5
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)134
Basic load ratings : C0r(kN)138
Fatigue load limit : Cu(kN)20.6
Limiting speeds(Grease lub.)(min-1)4000
Limiting speeds(Oil lub.)(min-1)5300
Constant e()0.37
Axial load factors : Y2()1.8
Axial load factors : Y3()2.68
Axial load factors : Y0()1.76

Mounting dimensions

da(min.)(mm)48.5
Da(min.)(mm)75
Sa(min.)(mm)3.5
ra(max.)(mm)1.5
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 0.954
JTEKT

2025/05/17