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

Bearing No. 46T30309JR/49.5

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)100
T(mm)60
C(mm)49.5
r(min.)(mm)2
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)242
Basic load ratings : C0r(kN)256
Fatigue load limit : Cu(kN)39.8
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4300
Constant e()0.35
Axial load factors : Y2()1.96
Axial load factors : Y3()2.91
Axial load factors : Y0()1.91

Mounting dimensions

da(min.)(mm)55
Da(min.)(mm)93
Sa(min.)(mm)5
ra(max.)(mm)2
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 2.2
JTEKT

2025/06/11