FOR REFERENCE ONLY
  • Needle roller bearings
  • Heavy-duty needle roller bearings
  • Metric series, caged, without inner ring
>

Bearing No. NK45/20

Specifications
(Boundary dimensions ...etc)

Fw(mm)45
D(mm)55
C(mm)20
r(min.)(mm)0.3
Basic load ratings : Cr(kN)29.5
Basic load ratings : C0r(kN)56.4
Fatigue load limit : Cu(kN)9.00
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)9400

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.100?
JTEKT

2025/12/05