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


Bearing No. 47T524026

Specification data (main dimensions, etc.)

d(mm)260
D(mm)400
T(mm)255
W(mm)255
r(min.)(mm)7.5
r1(min.)(mm)5
Basic load ratings : Cr(kN)2820
Basic load ratings : C0r(kN)5400
Fatigue load limit : Cu(kN)570
Axial load factors : Y2(mm)1.72
Axial load factors : Y32.56
Axial load factors : Y01.68
Constant e0.39

Mounting dimensions,weight (reference)

da(min.)(mm)296 mm
Da(max.)(mm)400 mm
Da(max.)(mm)360 mm
S(min.)(mm)9 mm
ra(max.)(mm)6 mm
rb(max.)(mm)4 mm
Axial load factors : Y2(mm)1.72 mm
Axial load factors : Y32.56
Axial load factors : Y01.68
Constant e0.39
Mass(Refer.)(kg)113 kg
JTEKT

2026/07/19