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


Bearing No. 47T685232

Specification data (main dimensions, etc.)

d(mm)340
D(mm)520
T(mm)323
W(mm)323
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)4720
Basic load ratings : C0r(kN)8930
Fatigue load limit : Cu(kN)881
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)381 mm
Da(max.)(mm)498 mm
Da(max.)(mm)473 mm
S(min.)(mm)10 mm
ra(max.)(mm)4 mm
rb(max.)(mm)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)242 kg
JTEKT

2026/07/18