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


Bearing No. RNA4912

Specification data (main dimensions, etc.)

Fw(mm)68
D(mm)85
C(mm)25
r(min.)(mm)1?
Basic load ratings : Cr(kN)64.8
Basic load ratings : C0r(kN)116?
Fatigue load limit : Cu(kN)18.6
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)6300
(Refer.)Mass(kg)0.304?

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.304? kg
JTEKT

2026/07/02