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

Bearing No. 4CR445

Specifications
(Boundary dimensions ...etc)

d(mm)445
D(mm)635
B(mm)375
C(mm)375
Fw(mm)496
r(min.)(mm)4
r1(min.)(mm)4
Basic load ratings : Cr(kN)6710
Basic load ratings : C0r(kN)14600
Fatigue load limit : Cu(kN)1390

Mounting dimensions

da(min.)(mm)463
Da(max.)(mm)617
da(min.)(mm)588
ra(max.)(mm)3
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 385
JTEKT

2025/06/01