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

Bearing No. 47T443023

Specifications
(Boundary dimensions ...etc)

d(mm)220
D(mm)300
T(mm)230
W(mm)230
r(min.)(mm)2.5
r1(min.)(mm)3
Basic load ratings : Cr(kN)1870
Basic load ratings : C0r(kN)4040
Fatigue load limit : Cu(kN)440
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Mounting dimensions

da(min.)(mm)231
Da(max.)(mm)288
Da(max.)(mm)278
S(min.)(mm)6.5
ra(max.)(mm)2
rb(max.)(mm)2.5
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.64
Constant e()0.40

Refer.

(Refer.)Mass(kg) 45.1
JTEKT

2025/06/01