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


Bearing No. 47T433123

Specification data (main dimensions, etc.)

d(mm)215.090
D(mm)311.150
T(mm)228.600
W(mm)228.600
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1870
Basic load ratings : C0r(kN)4040
Fatigue load limit : Cu(kN)440
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)233 mm
Da(max.)(mm)297 mm
Da(max.)(mm)278 mm
S(min.)(mm)7 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 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)57.5 kg
JTEKT

2026/07/23