Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM124449D/410/410D

Specifications
(Boundary dimensions ...etc)

d(mm)120.650
D(mm)166.688
T(mm)152.414
W(mm)152.400
r(min.)(mm)3.3
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)682
Basic load ratings : C0r(kN)1460
Fatigue load limit : Cu(kN)206
Axial load factors : Y2(mm)2.30
Axial load factors : Y3()3.42
Axial load factors : Y0()2.25
Constant e()0.29

Mounting dimensions

da(min.)(mm)132
Da(max.)(mm)155
Da(max.)(mm)150
S(min.)(mm)2.3
ra(max.)(mm)3.3
rb(max.)(mm)1.6
Axial load factors : Y2(mm)2.30
Axial load factors : Y3()3.42
Axial load factors : Y0()2.25
Constant e()0.29

Refer.

(Refer.)Mass(kg) 9.84
JTEKT

2025/08/06