Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings


Bearing No. 47T6246A

Specification data (main dimensions, etc.)

d(mm)310
D(mm)460
T(mm)325
W(mm)325
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)4510
Basic load ratings : C0r(kN)9500
Fatigue load limit : Cu(kN)951
Axial load factors : Y2(mm)2.12
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32

Mounting dimensions,weight (reference)

da(min.)(mm)346 mm
Da(max.)(mm)442 mm
Da(max.)(mm)421 mm
S(min.)(mm)12 mm
ra(max.)(mm)3 mm
rb(max.)(mm)4 mm
Axial load factors : Y2(mm)2.12 mm
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32
Mass(Refer.)(kg)188 kg
JTEKT

2026/07/23