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


Bearing No. 30FC21120

Specification data (main dimensions, etc.)

d(mm)150
D(mm)210
B(mm)120
C(mm)120
Fw(mm)168.5
r(min.)(mm)2
r1(min.)(mm)2
Basic load ratings : Cr(kN)736
Basic load ratings : C0r(kN)1380
Fatigue load limit : Cu(kN)161

Mounting dimensions,weight (reference)

da(min.)(mm)160 mm
Da(max.)(mm)200 mm
da(min.)(mm)196 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)12.8 kg
JTEKT

2026/07/18