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


Bearing No. HM261049D/010/010D

Specification data (main dimensions, etc.)

d(mm)337.375
D(mm)469.900
T(mm)342.900
W(mm)342.900
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)4970
Basic load ratings : C0r(kN)11400
Fatigue load limit : Cu(kN)1100
Axial load factors : Y2(mm)2.02
Axial load factors : Y33.01
Axial load factors : Y01.97
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)360 mm
Da(max.)(mm)455 mm
Da(max.)(mm)432 mm
S(min.)(mm)9 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)2.02 mm
Axial load factors : Y33.01
Axial load factors : Y01.97
Constant e0.33
Mass(Refer.)(kg)190 kg
JTEKT

2026/07/23