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


Bearing No. 47T443326A

Specification data (main dimensions, etc.)

d(mm)220
D(mm)330
T(mm)260
W(mm)260
r(min.)(mm)3
r1(min.)(mm)1
Basic load ratings : Cr(kN)2520
Basic load ratings : C0r(kN)5070
Fatigue load limit : Cu(kN)555
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)243 mm
Da(max.)(mm)316 mm
Da(max.)(mm)299 mm
S(min.)(mm)9 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 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)78.4 kg
JTEKT

2026/07/19