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


Bearing No. 47T362818A

Specification data (main dimensions, etc.)

d(mm)180
D(mm)280
T(mm)181
W(mm)181
r(min.)(mm)2.5
r1(min.)(mm)3
Basic load ratings : Cr(kN)1630
Basic load ratings : C0r(kN)2830
Fatigue load limit : Cu(kN)336
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)204 mm
Da(max.)(mm)268 mm
Da(max.)(mm)253 mm
S(min.)(mm)8 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2.5 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)40.8 kg
JTEKT

2026/07/19