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


Bearing No. 47272

Specification data (main dimensions, etc.)

d(mm)360
D(mm)540
T(mm)280
W(mm)280
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)4070
Basic load ratings : C0r(kN)7820
Fatigue load limit : Cu(kN)786
Axial load factors : Y2(mm)2.12
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32

Mounting dimensions,weight (reference)

da(min.)(mm)406 mm
Da(max.)(mm)518 mm
Da(max.)(mm)490 mm
S(min.)(mm)10 mm
ra(max.)(mm)4 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)2.12 mm
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32
Mass(Refer.)(kg)221 kg
JTEKT

2026/07/19