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


Bearing No. 47T654523

Specification data (main dimensions, etc.)

d(mm)327
D(mm)445
T(mm)230
W(mm)230
r(min.)(mm)3
r1(min.)(mm)1
Basic load ratings : Cr(kN)2810
Basic load ratings : C0r(kN)6080
Fatigue load limit : Cu(kN)621
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)353 mm
Da(max.)(mm)431 mm
Da(max.)(mm)413 mm
S(min.)(mm)9 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 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)102 kg
JTEKT

2026/07/19