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

Bearing No. 47T604729B

Specifications
(Boundary dimensions ...etc)

d(mm)300
D(mm)470
T(mm)292
W(mm)292
r(min.)(mm)4
r1(min.)(mm)SP
Basic load ratings : Cr(kN)4290
Basic load ratings : C0r(kN)7870
Fatigue load limit : Cu(kN)815
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)341
Da(max.)(mm)452
Da(max.)(mm)428
S(min.)(mm)8.5
ra(max.)(mm)3
rb(max.)(mm)2
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) 193
JTEKT

2025/06/01