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


Bearing No. 75FC55400

Specification data (main dimensions, etc.)

d(mm)375
D(mm)545
B(mm)400
C(mm)400
Fw(mm)417
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)6790
Basic load ratings : C0r(kN)14500
Fatigue load limit : Cu(kN)1410

Mounting dimensions,weight (reference)

da(min.)(mm)393 mm
Da(max.)(mm)527 mm
da(min.)(mm)505 mm
ra(max.)(mm)3 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)315 kg
JTEKT

2026/07/19