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


Bearing No. 47T926838

Specification data (main dimensions, etc.)

d(mm)460
D(mm)680
T(mm)375
W(mm)375
r(min.)(mm)5
r1(min.)(mm)2
Basic load ratings : Cr(kN)6980
Basic load ratings : C0r(kN)15200
Fatigue load limit : Cu(kN)1370
Axial load factors : Y2(mm)1.87
Axial load factors : Y32.79
Axial load factors : Y01.83
Constant e0.36

Mounting dimensions,weight (reference)

da(min.)(mm)515 mm
Da(max.)(mm)658 mm
Da(max.)(mm)618 mm
S(min.)(mm)10.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)2 mm
Axial load factors : Y2(mm)1.87 mm
Axial load factors : Y32.79
Axial load factors : Y01.83
Constant e0.36
Mass(Refer.)(kg)475 kg
JTEKT

2026/07/19