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


Bearing No. 47T886246

Specification data (main dimensions, etc.)

d(mm)440
D(mm)620
T(mm)454
W(mm)454
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)8170
Basic load ratings : C0r(kN)19800
Fatigue load limit : Cu(kN)1730
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)474 mm
Da(max.)(mm)602 mm
Da(max.)(mm)573 mm
S(min.)(mm)10.5 mm
ra(max.)(mm)3 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)436 kg
JTEKT

2026/07/19