Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM287649D/610/610D

Specifications
(Boundary dimensions ...etc)

d(mm)938.213
D(mm)1270
T(mm)825.500
W(mm)825.500
r(min.)(mm)12.7
r1(min.)(mm)4.8
Basic load ratings : Cr(kN)28700
Basic load ratings : C0r(kN)79800
Fatigue load limit : Cu(kN)5480
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Mounting dimensions

da(min.)(mm)1007
Da(max.)(mm)1233
Da(max.)(mm)1187
S(min.)(mm)17.5
ra(max.)(mm)12.7
rb(max.)(mm)4.8
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Refer.

(Refer.)Mass(kg) 3130
JTEKT

2025/06/01