Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. LM283649D/610/610D

Specifications
(Boundary 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 : Y3()3.15
Axial load factors : Y0()2.07
Constant e()0.32

Mounting dimensions

da(min.)(mm)801
Da(max.)(mm)966
Da(max.)(mm)929
S(min.)(mm)13
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)2.12
Axial load factors : Y3()3.15
Axial load factors : Y0()2.07
Constant e()0.32

Refer.

(Refer.)Mass(kg) 1320
JTEKT

2025/06/01