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

Bearing No. 46T30209JR/37.5

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
T(mm)47
C(mm)37.5
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)144
Basic load ratings : C0r(kN)155
Fatigue load limit : Cu(kN)23.1
Limiting speeds(Grease lub.)(min-1)3700
Limiting speeds(Oil lub.)(min-1)4900
Constant e()0.4
Axial load factors : Y2()1.67
Axial load factors : Y3()2.48
Axial load factors : Y0()1.63

Mounting dimensions

da(min.)(mm)53.5
Da(min.)(mm)80
Sa(min.)(mm)4.5
ra(max.)(mm)1.5
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 1.1
JTEKT

2025/06/01