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


Bearing No. 90FC63450A

Specification data (main dimensions, etc.)

d(mm)450
D(mm)630
B(mm)450
C(mm)450
Fw(mm)500
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)7320
Basic load ratings : C0r(kN)16600
Fatigue load limit : Cu(kN)1540

Mounting dimensions,weight (reference)

da(min.)(mm)468 mm
Da(max.)(mm)612 mm
da(min.)(mm)590 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)433 kg
JTEKT

2026/07/19