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

Bearing No. NN3028K

Specifications
(Boundary dimensions ...etc)

d(mm)140
D(mm)210
B(mm)53
r(min.)(mm)2
Fw(mm)-
Ew(mm)192
Basic load ratings : Cr(kN)372
Basic load ratings : C0r(kN)516
Fatigue load limit : Cu(kN)61.5
Limiting speeds(Grease lub.)(min-1)2700
Limiting speeds(Oil lub.)(min-1)3300

Mounting dimensions

da(min.)(mm)149
da(max.)(mm)-
db(min.)(mm)-
Da(max.)(mm)201
Da(min.)(mm)194
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 6.21
JTEKT

2025/06/01