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

Bearing No. NN3021K

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)160
B(mm)41
r(min.)(mm)2
Fw(mm)-
Ew(mm)146
Basic load ratings : Cr(kN)247
Basic load ratings : C0r(kN)322
Fatigue load limit : Cu(kN)42.5
Limiting speeds(Grease lub.)(min-1)3700
Limiting speeds(Oil lub.)(min-1)4400

Mounting dimensions

da(min.)(mm)114
da(max.)(mm)-
db(min.)(mm)-
Da(max.)(mm)151
Da(min.)(mm)148
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 2.81
JTEKT

2025/06/01