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

Bearing No. 42FC30210

Specifications
(Boundary 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

da(min.)(mm)222
Da(max.)(mm)288
da(min.)(mm)278
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 47.3
JTEKT

2025/06/01