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


Bearing No. 47T815529

Specification data (main dimensions, etc.)

d(mm)406.400
D(mm)546.100
T(mm)288.925
W(mm)288.925
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)4240
Basic load ratings : C0r(kN)9540
Fatigue load limit : Cu(kN)906
Axial load factors : Y2(mm)1.43
Axial load factors : Y32.12
Axial load factors : Y01.40
Constant e0.47

Mounting dimensions,weight (reference)

da(min.)(mm)435 mm
Da(max.)(mm)524 mm
Da(max.)(mm)509 mm
S(min.)(mm)9.5 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.43 mm
Axial load factors : Y32.12
Axial load factors : Y01.40
Constant e0.47
Mass(Refer.)(kg)184 kg
JTEKT

2026/07/19