Retainer Rings

holds components or assemblies onto a shaft or in a housing/bore when installed in a groove. Once installed, the exposed portion acts as a shoulder, which retains the specific component or assembly. Circlips are a type of retaining ring

Laminar seal rings used as sealing elements for rotating and static sealing applications: Laminar seal rings combine a low contact multiple labyrinth with very little gap width and are especially effective for grease sealings and for the exclusion of fluid media, dirt and dust entry as well as other contaminations.

A Retaining ring is a piece of hardware that holds on to a shaft in order to locate other items on the shaft, or to locate the shaft to a fixed item.

There are external retaining rings, which go on the outside of the shaft and internal retaining rings, which go on the inside of the shaft.

Common materials include carbon steel, spring steel, and stainless steel.