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

Bearing No. RNA4903

Specifications
(Boundary dimensions ...etc)

Fw(mm)22
D(mm)30
C(mm)13
r(min.)(mm)0.3
Basic load ratings : Cr(kN)12.2
Basic load ratings : C0r(kN)16.4
Fatigue load limit : Cu(kN)2.50
Limiting speeds(Grease lub.)(min-1)13000
Limiting speeds(Oil lub.)(min-1)20000

Mounting dimensions

Refer.

(Refer.)Mass(kg) 0.025?
JTEKT

2025/02/23