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


Bearing No. 463/630A

Specification data (main dimensions, etc.)

d(mm)630
D(mm)1030
T(mm)389
C(mm)315
r(min.)(mm)7.5
r1(min.)(mm)4
Basic load ratings : Cr(kN)12300
Basic load ratings : C0r(kN)21600
Fatigue load limit : Cu(kN)1660
Limiting speeds(Grease lub.)(min-1)-
Limiting speeds(Oil lub.)(min-1)-
Constant e0.39
Axial load factors : Y21.74
Axial load factors : Y32.59
Axial load factors : Y01.70

Mounting dimensions,weight (reference)

da(min.)(mm)666 mm
Da(min.)(mm)1012 mm
Sa(min.)(mm)37 mm
ra(max.)(mm)6 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)1210 kg
JTEKT

2026/07/19