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


Bearing No. M224749D/710/710D

Specification data (main dimensions, etc.)

d(mm)120.650
D(mm)174.625
T(mm)139.703
W(mm)141.288
r(min.)(mm)1.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)765
Basic load ratings : C0r(kN)1450
Fatigue load limit : Cu(kN)205
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)133 mm
Da(max.)(mm)166 mm
Da(max.)(mm)159 mm
S(min.)(mm)4.9 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)0.8 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)11.1 kg
JTEKT

2026/07/23