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


Bearing No. 47T886443

Specification data (main dimensions, etc.)

d(mm)440
D(mm)635
T(mm)430
W(mm)430
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)8120
Basic load ratings : C0r(kN)18000
Fatigue load limit : Cu(kN)1630
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)485 mm
Da(max.)(mm)613 mm
Da(max.)(mm)587 mm
S(min.)(mm)9.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)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)450 kg
JTEKT

2026/07/19