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


Bearing No. 47T413221

Specification data (main dimensions, etc.)

d(mm)205
D(mm)320
T(mm)205
W(mm)205
r(min.)(mm)3
r1(min.)(mm)4
Basic load ratings : Cr(kN)1870
Basic load ratings : C0r(kN)3030
Fatigue load limit : Cu(kN)350
Axial load factors : Y2(mm)1.46
Axial load factors : Y32.17
Axial load factors : Y01.42
Constant e0.46

Mounting dimensions,weight (reference)

da(min.)(mm)230 mm
Da(max.)(mm)306 mm
Da(max.)(mm)292 mm
S(min.)(mm)7.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)3 mm
Axial load factors : Y2(mm)1.46 mm
Axial load factors : Y32.17
Axial load factors : Y01.42
Constant e0.46
Mass(Refer.)(kg)58.9 kg
JTEKT

2026/07/18