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

Bearing No. 46T30210JR/39.5

Specifications
(Boundary dimensions ...etc)

d(mm)50
D(mm)90
T(mm)49
C(mm)39.5
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)164
Basic load ratings : C0r(kN)183
Fatigue load limit : Cu(kN)27.6
Limiting speeds(Grease lub.)(min-1)3400
Limiting speeds(Oil lub.)(min-1)4600
Constant e()0.42
Axial load factors : Y2()1.61
Axial load factors : Y3()2.39
Axial load factors : Y0()1.57

Mounting dimensions

da(min.)(mm)58.5
Da(min.)(mm)85
Sa(min.)(mm)4.5
ra(max.)(mm)1.5
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 1.22
JTEKT

2025/06/01