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

Bearing No. NK40/20

Specifications
(Boundary dimensions ...etc)

Fw(mm)40
D(mm)50
C(mm)20
r(min.)(mm)0.3
Basic load ratings : Cr(kN)27.8
Basic load ratings : C0r(kN)50.4
Fatigue load limit : Cu(kN)8.05
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)11000

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.089?
JTEKT

2025/06/01