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


Bearing No. 46T30306DJR/31.5

Specification data (main dimensions, etc.)

d(mm)30
D(mm)72
T(mm)45
C(mm)31.5
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)109
Basic load ratings : C0r(kN)110
Fatigue load limit : Cu(kN)15.4
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5400
Constant e0.83
Axial load factors : Y20.82
Axial load factors : Y31.22
Axial load factors : Y00.8

Mounting dimensions,weight (reference)

da(min.)(mm)38.5 mm
Da(min.)(mm)68 mm
Sa(min.)(mm)6.5 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.872 kg
JTEKT

2026/07/01