When the shaft cannot be used as rolling groove, NAO bearings
are assembled. Outer ring with needle roller cage and inner ring
can be separately mounted.
We remind you that in case of an application requiring oil seals,
IR wider inner rings are available.
All RNAO and NAO are usually supplied without lubrication
hole and groove on the outer ring, whereas concerning double
crowns needle roller bearings (o in tables) both characteristícs
Suggested temperature for sealed bearings, between -30°C.
RNAO and NAO needle roller bearings are produced in
accordance with DIN rules, with a normal radial clearance and
PO tolerance dimensional class.
Under request they can be supplied with C2-C3-C4 radial
clearance and P5, P6 precision class