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


Bearing No. LM763449D/410/410D

Specification data (main dimensions, etc.)

d(mm)355.600
D(mm)482.600
T(mm)269.875
W(mm)265.112
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)3280
Basic load ratings : C0r(kN)7020
Fatigue load limit : Cu(kN)692
Axial load factors : Y2(mm)1.43
Axial load factors : Y32.14
Axial load factors : Y01.40
Constant e0.47

Mounting dimensions,weight (reference)

da(min.)(mm)381 mm
Da(max.)(mm)468 mm
Da(max.)(mm)450 mm
S(min.)(mm)3.5 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.43 mm
Axial load factors : Y32.14
Axial load factors : Y01.40
Constant e0.47
Mass(Refer.)(kg)136 kg
JTEKT

2026/07/07