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


Bearing No. LM286249D/210/210D

Specification data (main dimensions, etc.)

d(mm)863.600
D(mm)1130.3
T(mm)669.925
W(mm)669.925
r(min.)(mm)12.7
r1(min.)(mm)4.8
Basic load ratings : Cr(kN)20500
Basic load ratings : C0r(kN)59600
Fatigue load limit : Cu(kN)4250
Axial load factors : Y2(mm)2.08
Axial load factors : Y33.10
Axial load factors : Y02.04
Constant e0.32

Mounting dimensions,weight (reference)

da(min.)(mm)920 mm
Da(max.)(mm)1093 mm
Da(max.)(mm)1063 mm
S(min.)(mm)15 mm
ra(max.)(mm)12.7 mm
rb(max.)(mm)4.8 mm
Axial load factors : Y2(mm)2.08 mm
Axial load factors : Y33.10
Axial load factors : Y02.04
Constant e0.32
Mass(Refer.)(kg)1840 kg
JTEKT

2026/07/18