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


Bearing No. LM287649D/610/610D

Specification data (main 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 : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)1007 mm
Da(max.)(mm)1233 mm
Da(max.)(mm)1187 mm
S(min.)(mm)17.5 mm
ra(max.)(mm)12.7 mm
rb(max.)(mm)4.8 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)3130 kg
JTEKT

2026/07/22