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

Bearing No. 81FC6130W

Specifications
(Boundary dimensions ...etc)

d(mm)406.4
D(mm)609.6
B(mm)304.8
C(mm)304.8
Fw(mm)460
r(min.)(mm)5
r1(min.)(mm)5
Basic load ratings : Cr(kN)4710
Basic load ratings : C0r(kN)8750
Fatigue load limit : Cu(kN)868

Mounting dimensions

da(min.)(mm)429
Da(max.)(mm)587
da(min.)(mm)556
ra(max.)(mm)4
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 307
JTEKT

2025/06/01