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


Bearing No. 47T805930A

Specification data (main dimensions, etc.)

d(mm)400
D(mm)590
T(mm)304
W(mm)304
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)5110
Basic load ratings : C0r(kN)10200
Fatigue load limit : Cu(kN)997
Axial load factors : Y2(mm)2.03
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)449 mm
Da(max.)(mm)572 mm
Da(max.)(mm)540 mm
S(min.)(mm)7.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)1.5 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)289 kg
JTEKT

2026/07/19