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

Bearing No. 47T363028

Specifications
(Boundary dimensions ...etc)

d(mm)180
D(mm)300
T(mm)280
W(mm)280
r(min.)(mm)3
r1(min.)(mm)4
Basic load ratings : Cr(kN)2590
Basic load ratings : C0r(kN)4430
Fatigue load limit : Cu(kN)506
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Mounting dimensions

da(min.)(mm)211
Da(max.)(mm)286
Da(max.)(mm)270
S(min.)(mm)6
ra(max.)(mm)2.5
rb(max.)(mm)3
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Refer.

(Refer.)Mass(kg) 78.4
JTEKT

2025/06/01