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


Bearing No. 46238A

Specification data (main dimensions, etc.)

d(mm)190
D(mm)290
T(mm)94
C(mm)75
r(min.)(mm)3
r1(min.)(mm)1
Basic load ratings : Cr(kN)793
Basic load ratings : C0r(kN)1170
Fatigue load limit : Cu(kN)140
Limiting speeds(Grease lub.)(min-1)900
Limiting speeds(Oil lub.)(min-1)1200
Constant e0.33
Axial load factors : Y22.03
Axial load factors : Y33.02
Axial load factors : Y01.98

Mounting dimensions,weight (reference)

da(min.)(mm)204 mm
Da(min.)(mm)274 mm
Sa(min.)(mm)9.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)20.0 kg
JTEKT

2026/07/06