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


Bearing No. 47T483631A

Specification data (main dimensions, etc.)

d(mm)240
D(mm)360
T(mm)308.5
W(mm)308.5
r(min.)(mm)3
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)3570
Basic load ratings : C0r(kN)7400
Fatigue load limit : Cu(kN)787
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)268 mm
Da(max.)(mm)346 mm
Da(max.)(mm)329 mm
S(min.)(mm)9.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 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)112 kg
JTEKT

2026/07/18