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


Bearing No. 4TR570C

Specification data (main dimensions, etc.)

d(mm)570
D(mm)810
T(mm)590
W(mm)590
r(min.)(mm)5
r1(min.)(mm)2
Basic load ratings : Cr(kN)14000
Basic load ratings : C0r(kN)35000
Fatigue load limit : Cu(kN)2790
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)625 mm
Da(max.)(mm)788 mm
Da(max.)(mm)751 mm
S(min.)(mm)14 mm
ra(max.)(mm)4 mm
rb(max.)(mm)2 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)1000 kg
JTEKT

2026/07/19