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


Bearing No. 452/530

Specification data (main dimensions, etc.)

d(mm)530
D(mm)780
B(mm)185
T(mm)185
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)5100
Basic load ratings : C0r(kN)8870
Fatigue load limit : Cu(kN)788
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(max.)(mm)591 mm
Da(max.)(mm)752 mm
Da(min.)(mm)710 mm
Sa(min.)(mm)8 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Mass(Refer.)(kg)306 kg
JTEKT

2026/07/21