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

Bearing No. NK42/20

Specifications
(Boundary dimensions ...etc)

Fw(mm)42
D(mm)52
C(mm)20
r(min.)(mm)0.3
Basic load ratings : Cr(kN)28.3
Basic load ratings : C0r(kN)52.4
Fatigue load limit : Cu(kN)8.35
Limiting speeds(Grease lub.)(min-1)6600
Limiting speeds(Oil lub.)(min-1)10000

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.085?
JTEKT

2025/06/01