Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. M270449D/10/10D

Specifications
(Boundary dimensions ...etc)

d(mm)449.949
D(mm)594.949
T(mm)368.000
W(mm)368.000
r(min.)(mm)5
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)6400
Basic load ratings : C0r(kN)16200
Fatigue load limit : Cu(kN)1470
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)478
Da(max.)(mm)573
Da(max.)(mm)557
S(min.)(mm)9
ra(max.)(mm)5
rb(max.)(mm)2
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) 278
JTEKT

2025/06/01