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


Bearing No. 47T302119

Specification data (main dimensions, etc.)

d(mm)150
D(mm)210
T(mm)190
W(mm)190
r(min.)(mm)2
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)1060
Basic load ratings : C0r(kN)2270
Fatigue load limit : Cu(kN)269
Axial load factors : Y2(mm)1.74
Axial load factors : Y32.59
Axial load factors : Y01.70
Constant e0.39

Mounting dimensions,weight (reference)

da(min.)(mm)163 mm
Da(max.)(mm)200 mm
Da(max.)(mm)190 mm
S(min.)(mm)5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)0.6 mm
Axial load factors : Y2(mm)1.74 mm
Axial load factors : Y32.59
Axial load factors : Y01.70
Constant e0.39
Mass(Refer.)(kg)20.2 kg
JTEKT

2026/07/07