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


Bearing No. 4TR559B

Specification data (main dimensions, etc.)

d(mm)558.750
D(mm)965.300
T(mm)495.300
W(mm)495.300
r(min.)(mm)7.5
r1(min.)(mm)7.5
Basic load ratings : Cr(kN)13400
Basic load ratings : C0r(kN)25700
Fatigue load limit : Cu(kN)2200
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)685 mm
Da(max.)(mm)934 mm
Da(max.)(mm)855 mm
S(min.)(mm)11.5 mm
ra(max.)(mm)7.5 mm
rb(max.)(mm)7.5 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)1570 kg
JTEKT

2026/07/19