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

Bearing No. 47T443225

Specifications
(Boundary dimensions ...etc)

d(mm)220
D(mm)320
T(mm)250
W(mm)250
r(min.)(mm)2.5
r1(min.)(mm)3
Basic load ratings : Cr(kN)2070
Basic load ratings : C0r(kN)4230
Fatigue load limit : Cu(kN)455
Axial load factors : Y2(mm)1.95
Axial load factors : Y3()2.90
Axial load factors : Y0()1.91
Constant e()0.35

Mounting dimensions

da(min.)(mm)244
Da(max.)(mm)308
Da(max.)(mm)293
S(min.)(mm)6.5
ra(max.)(mm)2
rb(max.)(mm)2.5
Axial load factors : Y2(mm)1.95
Axial load factors : Y3()2.90
Axial load factors : Y0()1.91
Constant e()0.35

Refer.

(Refer.)Mass(kg) 64.7
JTEKT

2025/06/01