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

Bearing No. 46T30216JR/51.5

Specifications
(Boundary dimensions ...etc)

d(mm)80
D(mm)140
T(mm)64
C(mm)51.5
r(min.)(mm)2
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)346
Basic load ratings : C0r(kN)405
Fatigue load limit : Cu(kN)62.3
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)2900
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)92
Da(min.)(mm)132
Sa(min.)(mm)6
ra(max.)(mm)2
rb(max.)(mm)0.6

Refer.

(Refer.)Mass(kg) 3.76
JTEKT

2025/06/01