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


Bearing No. EE547341D/480/481D

Specification data (main dimensions, etc.)

d(mm)863.600
D(mm)1219.2
T(mm)889.000
W(mm)876.300
r(min.)(mm)12.7
r1(min.)(mm)4.8
Basic load ratings : Cr(kN)30600
Basic load ratings : C0r(kN)84600
Fatigue load limit : Cu(kN)5820
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)947 mm
Da(max.)(mm)1182 mm
Da(max.)(mm)1130 mm
S(min.)(mm)9 mm
ra(max.)(mm)12.7 mm
rb(max.)(mm)4.8 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)3390 kg
JTEKT

2026/07/07