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

Bearing No. 47T6246A

Specifications
(Boundary dimensions ...etc)

d(mm)310
D(mm)460
T(mm)325
W(mm)325
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)4510
Basic load ratings : C0r(kN)9500
Fatigue load limit : Cu(kN)951
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)346
Da(max.)(mm)442
Da(max.)(mm)421
S(min.)(mm)12
ra(max.)(mm)3
rb(max.)(mm)4
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) 188
JTEKT

2025/06/01