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


Bearing No. 47248

Specification data (main dimensions, etc.)

d(mm)240
D(mm)360
T(mm)194
W(mm)194
r(min.)(mm)3
r1(min.)(mm)4
Basic load ratings : Cr(kN)1970
Basic load ratings : C0r(kN)3580
Fatigue load limit : Cu(kN)399
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)272 mm
Da(max.)(mm)346 mm
Da(max.)(mm)327 mm
S(min.)(mm)8.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)3 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)66.5 kg
JTEKT

2026/07/19