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


Bearing No. LM283649D/610/610D

Specification data (main dimensions, etc.)

d(mm)749.300
D(mm)990.600
T(mm)605.000
W(mm)605.000
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)16800
Basic load ratings : C0r(kN)47700
Fatigue load limit : Cu(kN)3560
Axial load factors : Y2(mm)2.12
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32

Mounting dimensions,weight (reference)

da(min.)(mm)801 mm
Da(max.)(mm)966 mm
Da(max.)(mm)929 mm
S(min.)(mm)13 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)3.2 mm
Axial load factors : Y2(mm)2.12 mm
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32
Mass(Refer.)(kg)1320 kg
JTEKT

2026/07/23