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


Bearing No. 47T614838A

Specification data (main dimensions, etc.)

d(mm)304.800
D(mm)482.600
T(mm)377.825
W(mm)365.125
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)5200
Basic load ratings : C0r(kN)9800
Fatigue load limit : Cu(kN)986
Axial load factors : Y2(mm)1.43
Axial load factors : Y32.12
Axial load factors : Y01.40
Constant e0.47

Mounting dimensions,weight (reference)

da(min.)(mm)343 mm
Da(max.)(mm)461 mm
Da(max.)(mm)437 mm
S(min.)(mm)1 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)3.2 mm
Axial load factors : Y2(mm)1.43 mm
Axial load factors : Y32.12
Axial load factors : Y01.40
Constant e0.47
Mass(Refer.)(kg)250 kg
JTEKT

2026/07/07