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


Bearing No. 47228

Specification data (main dimensions, etc.)

d(mm)140
D(mm)210
T(mm)114
W(mm)114
r(min.)(mm)2
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)669
Basic load ratings : C0r(kN)1130
Fatigue load limit : Cu(kN)154
Axial load factors : Y2(mm)2.47
Axial load factors : Y33.67
Axial load factors : Y02.41
Constant e0.27

Mounting dimensions,weight (reference)

da(min.)(mm)160 mm
Da(max.)(mm)200 mm
Da(max.)(mm)190 mm
S(min.)(mm)6 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Axial load factors : Y2(mm)2.47 mm
Axial load factors : Y33.67
Axial load factors : Y02.41
Constant e0.27
Mass(Refer.)(kg)13.7 kg
JTEKT

2026/07/18