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


Bearing No. 76FC52280

Specification data (main dimensions, etc.)

d(mm)380
D(mm)520
B(mm)280
C(mm)280
Fw(mm)417
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)3990
Basic load ratings : C0r(kN)8550
Fatigue load limit : Cu(kN)850

Mounting dimensions,weight (reference)

da(min.)(mm)398 mm
Da(max.)(mm)502 mm
da(min.)(mm)487 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)173 kg
JTEKT

2026/07/19