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


Bearing No. NK40/30

Specification data (main dimensions, etc.)

Fw(mm)40
D(mm)50
C(mm)30
r(min.)(mm)0.3
Basic load ratings : Cr(kN)40.0
Basic load ratings : C0r(kN)80.2
Fatigue load limit : Cu(kN)12.4
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)11000
(Refer.)Mass(kg)0.137?

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.137? kg
JTEKT

2026/08/05