Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
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Bearing No. 76589D/20/20D

Specifications
(Boundary dimensions ...etc)

d(mm)266.700
D(mm)355.600
T(mm)228.600
W(mm)230.188
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)2130
Basic load ratings : C0r(kN)4830
Fatigue load limit : Cu(kN)507
Axial load factors : Y2(mm)1.83
Axial load factors : Y3()2.73
Axial load factors : Y0()1.79
Constant e()0.37

Mounting dimensions

da(min.)(mm)285
Da(max.)(mm)342
Da(max.)(mm)331
S(min.)(mm)7
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.83
Axial load factors : Y3()2.73
Axial load factors : Y0()1.79
Constant e()0.37

Refer.

(Refer.)Mass(kg) 59.8
JTEKT

2025/06/01