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


Bearing No. HM262749D/10/10D

Specification data (main dimensions, etc.)

d(mm)346.075
D(mm)488.950
T(mm)358.775
W(mm)358.775
r(min.)(mm)3.2
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)4960
Basic load ratings : C0r(kN)11600
Fatigue load limit : Cu(kN)1110
Axial load factors : Y2(mm)2.02
Axial load factors : Y33.00
Axial load factors : Y01.97
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)378 mm
Da(max.)(mm)474 mm
Da(max.)(mm)449 mm
S(min.)(mm)8 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)3.2 mm
Axial load factors : Y2(mm)2.02 mm
Axial load factors : Y33.00
Axial load factors : Y01.97
Constant e0.33
Mass(Refer.)(kg)214 kg
JTEKT

2026/07/07