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


Bearing No. 47T564632

Specification data (main dimensions, etc.)

d(mm)280
D(mm)460
T(mm)324
W(mm)324
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)4640
Basic load ratings : C0r(kN)8230
Fatigue load limit : Cu(kN)842
Axial load factors : Y2(mm)1.47
Axial load factors : Y32.19
Axial load factors : Y01.44
Constant e0.46

Mounting dimensions,weight (reference)

da(min.)(mm)321 mm
Da(max.)(mm)438 mm
Da(max.)(mm)415 mm
S(min.)(mm)10.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)1.47 mm
Axial load factors : Y32.19
Axial load factors : Y01.44
Constant e0.46
Mass(Refer.)(kg)214 kg
JTEKT

2026/07/21