Koyo
FOR REFERENCE ONLY
  • Cylindrical roller bearings
  • Single-row
  • NN
  • Tapered type
>

Bearing No. NN3072K

Specifications
(Boundary dimensions ...etc)

d(mm)360
D(mm)540
B(mm)134
r(min.)(mm)5
Fw(mm)-
Ew(mm)493
Basic load ratings : Cr(kN)1950
Basic load ratings : C0r(kN)3090
Fatigue load limit : Cu(kN)315
Limiting speeds(Grease lub.)(min-1)830
Limiting speeds(Oil lub.)(min-1)990

Mounting dimensions

da(min.)(mm)380
da(max.)(mm)-
db(min.)(mm)-
Da(max.)(mm)520
Da(min.)(mm)497
ra(max.)(mm)4

Refer.

(Refer.)Mass(kg) 104
JTEKT

2025/06/01