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


Bearing No. 47T785135B

Specification data (main dimensions, etc.)

d(mm)390
D(mm)510
T(mm)350
W(mm)350
r(min.)(mm)3
r1(min.)(mm)1
Basic load ratings : Cr(kN)4450
Basic load ratings : C0r(kN)11200
Fatigue load limit : Cu(kN)1050
Axial load factors : Y2(mm)2.32
Axial load factors : Y33.45
Axial load factors : Y02.26
Constant e0.29

Mounting dimensions,weight (reference)

da(min.)(mm)415 mm
Da(max.)(mm)496 mm
Da(max.)(mm)479 mm
S(min.)(mm)5.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 mm
Axial load factors : Y2(mm)2.32 mm
Axial load factors : Y33.45
Axial load factors : Y02.26
Constant e0.29
Mass(Refer.)(kg)183 kg
JTEKT

2026/07/19