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


Bearing No. 47T604729C

Specification data (main dimensions, etc.)

d(mm)300
D(mm)470
T(mm)292
W(mm)292
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)4450
Basic load ratings : C0r(kN)8210
Fatigue load limit : Cu(kN)847
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)343 mm
Da(max.)(mm)452 mm
Da(max.)(mm)428 mm
S(min.)(mm)9.5 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)198 kg
JTEKT

2026/07/07