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


Bearing No. 46348A

Specification data (main dimensions, etc.)

d(mm)240
D(mm)400
T(mm)160
C(mm)128
r(min.)(mm)5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)1940
Basic load ratings : C0r(kN)3060
Fatigue load limit : Cu(kN)325
Limiting speeds(Grease lub.)(min-1)630
Limiting speeds(Oil lub.)(min-1)850
Constant e0.35
Axial load factors : Y21.95
Axial load factors : Y32.90
Axial load factors : Y01.91

Mounting dimensions,weight (reference)

da(min.)(mm)262 mm
Da(min.)(mm)373 mm
Sa(min.)(mm)16 mm
ra(max.)(mm)4 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)76.2 kg
JTEKT

2026/07/06