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

Bearing No. 47T493319

Specifications
(Boundary dimensions ...etc)

d(mm)244.475
D(mm)327.025
T(mm)193.675
W(mm)193.675
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1580
Basic load ratings : C0r(kN)3500
Fatigue load limit : Cu(kN)414
Axial load factors : Y2(mm)1.24
Axial load factors : Y3()1.84
Axial load factors : Y0()1.21
Constant e()0.55

Mounting dimensions

da(min.)(mm)259
Da(max.)(mm)313
Da(max.)(mm)303
S(min.)(mm)5.5
ra(max.)(mm)3.2
rb(max.)(mm)1.6
Axial load factors : Y2(mm)1.24
Axial load factors : Y3()1.84
Axial load factors : Y0()1.21
Constant e()0.55

Refer.

(Refer.)Mass(kg) 44.4
JTEKT

2025/06/01