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

Bearing No. 47T886645

Specifications
(Boundary dimensions ...etc)

d(mm)440
D(mm)660
T(mm)450
W(mm)450
r(min.)(mm)5
r1(min.)(mm)2
Basic load ratings : Cr(kN)9370
Basic load ratings : C0r(kN)19000
Fatigue load limit : Cu(kN)1720
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)489
Da(max.)(mm)638
Da(max.)(mm)610
S(min.)(mm)9.5
ra(max.)(mm)4
rb(max.)(mm)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) 532
JTEKT

2025/06/01