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


Bearing No. 47T845644

Specification data (main dimensions, etc.)

d(mm)420
D(mm)560
T(mm)437
W(mm)437
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)6010
Basic load ratings : C0r(kN)14900
Fatigue load limit : Cu(kN)1380
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)450 mm
Da(max.)(mm)542 mm
Da(max.)(mm)526 mm
S(min.)(mm)4 mm
ra(max.)(mm)3 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)283 kg
JTEKT

2026/07/19