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

Bearing No. 8576D/20/20D

Specifications
(Boundary dimensions ...etc)

d(mm)234.950
D(mm)327.025
T(mm)196.850
W(mm)196.850
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1720
Basic load ratings : C0r(kN)3720
Fatigue load limit : Cu(kN)401
Axial load factors : Y2(mm)1.66
Axial load factors : Y3()2.47
Axial load factors : Y0()1.62
Constant e()0.41

Mounting dimensions

da(min.)(mm)255
Da(max.)(mm)313
Da(max.)(mm)299
S(min.)(mm)5.5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.66
Axial load factors : Y3()2.47
Axial load factors : Y0()1.62
Constant e()0.41

Refer.

(Refer.)Mass(kg) 50.1
JTEKT

2025/06/01