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


Bearing No. 46252A

Specification data (main dimensions, etc.)

d(mm)260
D(mm)400
T(mm)130
C(mm)104
r(min.)(mm)5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)1520
Basic load ratings : C0r(kN)2480
Fatigue load limit : Cu(kN)265
Limiting speeds(Grease lub.)(min-1)610
Limiting speeds(Oil lub.)(min-1)810
Constant e0.32
Axial load factors : Y22.12
Axial load factors : Y33.15
Axial load factors : Y02.07

Mounting dimensions,weight (reference)

da(min.)(mm)282 mm
Da(min.)(mm)376 mm
Sa(min.)(mm)13 mm
ra(max.)(mm)4 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)54.8 kg
JTEKT

2026/08/12