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


Bearing No. 47T402821

Specification data (main dimensions, etc.)

d(mm)200
D(mm)280
T(mm)206
W(mm)206
r(min.)(mm)2.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)1790
Basic load ratings : C0r(kN)3830
Fatigue load limit : Cu(kN)435
Axial load factors : Y2(mm)1.71
Axial load factors : Y32.54
Axial load factors : Y01.67
Constant e0.39

Mounting dimensions,weight (reference)

da(min.)(mm)216 mm
Da(max.)(mm)268 mm
Da(max.)(mm)258 mm
S(min.)(mm)6.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Axial load factors : Y2(mm)1.71 mm
Axial load factors : Y32.54
Axial load factors : Y01.67
Constant e0.39
Mass(Refer.)(kg)39.7 kg
JTEKT

2026/07/19