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


Bearing No. 47T905845

Specification data (main dimensions, etc.)

d(mm)450
D(mm)580
T(mm)450
W(mm)450
r(min.)(mm)6
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)5520
Basic load ratings : C0r(kN)14600
Fatigue load limit : Cu(kN)1320
Axial load factors : Y2(mm)2.55
Axial load factors : Y33.80
Axial load factors : Y02.50
Constant e0.26

Mounting dimensions,weight (reference)

da(min.)(mm)475 mm
Da(max.)(mm)552 mm
Da(max.)(mm)537 mm
S(min.)(mm)2 mm
ra(max.)(mm)5 mm
rb(max.)(mm)1.5 mm
Axial load factors : Y2(mm)2.55 mm
Axial load factors : Y33.80
Axial load factors : Y02.50
Constant e0.26
Mass(Refer.)(kg)286 kg
JTEKT

2026/07/23