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


Bearing No. 46218A

Specification data (main dimensions, etc.)

d(mm)90
D(mm)140
T(mm)46
C(mm)37
r(min.)(mm)2
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)196
Basic load ratings : C0r(kN)266
Fatigue load limit : Cu(kN)39.3
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2700
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)100 mm
Da(min.)(mm)129.9 mm
Sa(min.)(mm)4.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)2.37 kg
JTEKT

2026/07/18