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

Bearing No. 47T271816

Specifications
(Boundary dimensions ...etc)

d(mm)135
D(mm)180
T(mm)160
W(mm)160
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)600
Basic load ratings : C0r(kN)1290
Fatigue load limit : Cu(kN)177
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)146
Da(max.)(mm)171.5
Da(max.)(mm)166
S(min.)(mm)1.4
ra(max.)(mm)1.5
rb(max.)(mm)1
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) 10.7
JTEKT

2025/06/01