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


Bearing No. RNA4907

Specification data (main dimensions, etc.)

Fw(mm)42
D(mm)55
C(mm)20
r(min.)(mm)0.6
Basic load ratings : Cr(kN)32.8
Basic load ratings : C0r(kN)51.7
Fatigue load limit : Cu(kN)8.25
Limiting speeds(Grease lub.)(min-1)6700
Limiting speeds(Oil lub.)(min-1)10000
(Refer.)Mass(kg)0.114?

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.114? kg
JTEKT

2026/07/19