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

Bearing No. NN3064K

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)480
B(mm)121
r(min.)(mm)4
Fw(mm)-
Ew(mm)438
Basic load ratings : Cr(kN)1690
Basic load ratings : C0r(kN)2670
Fatigue load limit : Cu(kN)283
Limiting speeds(Grease lub.)(min-1)980
Limiting speeds(Oil lub.)(min-1)1200

Mounting dimensions

da(min.)(mm)336
da(max.)(mm)-
db(min.)(mm)-
Da(max.)(mm)464
Da(min.)(mm)442
ra(max.)(mm)3

Refer.

(Refer.)Mass(kg) 74.0
JTEKT

2025/06/01