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


Bearing No. 47T231612A

Specification data (main dimensions, etc.)

d(mm)115
D(mm)155
T(mm)115
W(mm)115
r(min.)(mm)1.5
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)470
Basic load ratings : C0r(kN)1020
Fatigue load limit : Cu(kN)143
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)126 mm
Da(max.)(mm)146.5 mm
Da(max.)(mm)142 mm
S(min.)(mm)3.4 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)0.6 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)6.12 kg
JTEKT

2026/07/07