Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM286249D/210/210D

Specifications
(Boundary 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 : Y3()3.10
Axial load factors : Y0()2.04
Constant e()0.32

Mounting dimensions

da(min.)(mm)920
Da(max.)(mm)1093
Da(max.)(mm)1063
S(min.)(mm)15
ra(max.)(mm)12.7
rb(max.)(mm)4.8
Axial load factors : Y2(mm)2.08
Axial load factors : Y3()3.10
Axial load factors : Y0()2.04
Constant e()0.32

Refer.

(Refer.)Mass(kg) 1840
JTEKT

2025/06/01