"Bill Chernoff" wrote in message
news:m9ssb.375740$6C4.108335@pd7tw1no...
The way I understand it, the feathering bearings and teetering bearings
are
greased,
and the elastomeric bearings are not.


You don't grease the R22 head. It has Teflon bearings to flap and teter. The
Feathering bearings are ball type in an oil bath and sealed for life.

Slatts.