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


Bearing No. 42FC30210

Specification data (main dimensions, etc.)

d(mm)210
D(mm)300
B(mm)210
C(mm)210
Fw(mm)234
r(min.)(mm)2.1
r1(min.)(mm)2.1
Basic load ratings : Cr(kN)1780
Basic load ratings : C0r(kN)3490
Fatigue load limit : Cu(kN)407

Mounting dimensions,weight (reference)

da(min.)(mm)222 mm
Da(max.)(mm)288 mm
da(min.)(mm)278 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)47.3 kg
JTEKT

2026/07/19