Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. M276449D/410/410D

Specifications
(Boundary dimensions ...etc)

d(mm)536.575
D(mm)761.873
T(mm)558.800
W(mm)558.800
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)12100
Basic load ratings : C0r(kN)28800
Fatigue load limit : Cu(kN)2380
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)578
Da(max.)(mm)738
Da(max.)(mm)700
S(min.)(mm)9
ra(max.)(mm)6.4
rb(max.)(mm)3.2
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) 820
JTEKT

2025/06/01