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


Bearing No. M231649D/610/610D

Specification data (main dimensions, etc.)

d(mm)152.400
D(mm)222.250
T(mm)174.625
W(mm)174.625
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1160
Basic load ratings : C0r(kN)2390
Fatigue load limit : Cu(kN)318
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)168 mm
Da(max.)(mm)213 mm
Da(max.)(mm)201 mm
S(min.)(mm)6 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)1.6 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)22.8 kg
JTEKT

2026/07/22