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


Bearing No. 4TR559A

Specification data (main dimensions, etc.)

d(mm)558.800
D(mm)736.600
T(mm)450.000
W(mm)450.000
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)8810
Basic load ratings : C0r(kN)23100
Fatigue load limit : Cu(kN)1950
Axial load factors : Y2(mm)1.95
Axial load factors : Y32.90
Axial load factors : Y01.91
Constant e0.35

Mounting dimensions,weight (reference)

da(min.)(mm)594 mm
Da(max.)(mm)717 mm
Da(max.)(mm)692 mm
S(min.)(mm)9 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Axial load factors : Y2(mm)1.95 mm
Axial load factors : Y32.90
Axial load factors : Y01.91
Constant e0.35
Mass(Refer.)(kg)525 kg
JTEKT

2026/07/19