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


Bearing No. 47T725237

Specification data (main dimensions, etc.)

d(mm)360
D(mm)520
T(mm)370
W(mm)370
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)5290
Basic load ratings : C0r(kN)11400
Fatigue load limit : Cu(kN)1090
Axial load factors : Y2(mm)2.03
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)395 mm
Da(max.)(mm)498 mm
Da(max.)(mm)476 mm
S(min.)(mm)8.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)259 kg
JTEKT

2026/07/07