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


Bearing No. 47T846546

Specification data (main dimensions, etc.)

d(mm)420
D(mm)650
T(mm)460
W(mm)460
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)9230
Basic load ratings : C0r(kN)18300
Fatigue load limit : Cu(kN)1660
Axial load factors : Y2(mm)1.68
Axial load factors : Y32.50
Axial load factors : Y01.64
Constant e0.40

Mounting dimensions,weight (reference)

da(min.)(mm)468 mm
Da(max.)(mm)622 mm
Da(max.)(mm)595 mm
S(min.)(mm)8.5 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)1.68 mm
Axial load factors : Y32.50
Axial load factors : Y01.64
Constant e0.40
Mass(Refer.)(kg)558 kg
JTEKT

2026/07/21