No special demands are placed on the surface finish of the shaft seating and the v rings act as flingers since they have an interference fit on the shaft and rotate with it.
V ring lip seal.
All rubber v rings fig 1 or just called v rings mvr axial shaft seals fig 2 a metal cased v ring seal.
The v ring works well on its own and excels when combined with rotary shaft seals and helps extend the life of bearings oil seals and shafts.
It works by stretching over the shaft to create a tight seal along the shaft while the flexible lip seals lightly against the counterface at a right angle to the shaft.
They are made entirely of rubber material and comprise a body and a conical shaped sealing lip which is joined to the body by means of a resilient hinge v rings are mounted on and rotate with the shaft.
V ring seals are axial shaft seals available in a wide range of sizes and appropriate for many applications.