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


Bearing No. 47T322515

Specification data (main dimensions, etc.)

d(mm)160
D(mm)250
T(mm)145
W(mm)145
r(min.)(mm)2.5
r1(min.)(mm)3
Basic load ratings : Cr(kN)1170
Basic load ratings : C0r(kN)1870
Fatigue load limit : Cu(kN)232
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)182 mm
Da(max.)(mm)238 mm
Da(max.)(mm)226 mm
S(min.)(mm)6.5 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)25.4 kg
JTEKT

2026/07/19