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


Bearing No. 47T221612

Specification data (main dimensions, etc.)

d(mm)110
D(mm)160
T(mm)115
W(mm)115
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)589
Basic load ratings : C0r(kN)1030
Fatigue load limit : Cu(kN)148
Axial load factors : Y2(mm)1.57
Axial load factors : Y32.34
Axial load factors : Y01.53
Constant e0.43

Mounting dimensions,weight (reference)

da(min.)(mm)121 mm
Da(max.)(mm)151.5 mm
Da(max.)(mm)146 mm
S(min.)(mm)5.2 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1 mm
Axial load factors : Y2(mm)1.57 mm
Axial load factors : Y32.34
Axial load factors : Y01.53
Constant e0.43
Mass(Refer.)(kg)7.63 kg
JTEKT

2026/07/19