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


Bearing No. 47T805641

Specification data (main dimensions, etc.)

d(mm)400
D(mm)564
T(mm)412
W(mm)412
r(min.)(mm)4
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)6950
Basic load ratings : C0r(kN)16500
Fatigue load limit : Cu(kN)1500
Axial load factors : Y2(mm)1.68
Axial load factors : Y32.50
Axial load factors : Y01.64
Constant e0.40

Mounting dimensions,weight (reference)

da(min.)(mm)432 mm
Da(max.)(mm)546 mm
Da(max.)(mm)522 mm
S(min.)(mm)9 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Axial load factors : Y2(mm)1.68 mm
Axial load factors : Y32.50
Axial load factors : Y01.64
Constant e0.40
Mass(Refer.)(kg)329 kg
JTEKT

2026/07/19