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


Bearing No. 46T30313JR/63

Specification data (main dimensions, etc.)

d(mm)65
D(mm)140
T(mm)79
C(mm)63
r(min.)(mm)2.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)437
Basic load ratings : C0r(kN)478
Fatigue load limit : Cu(kN)75.3
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3000
Constant e0.35
Axial load factors : Y21.96
Axial load factors : Y32.91
Axial load factors : Y01.91

Mounting dimensions,weight (reference)

da(min.)(mm)79 mm
Da(min.)(mm)130 mm
Sa(min.)(mm)8 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)5.51 kg
JTEKT

2026/07/15