External Retaining Ring

An external retaining ring is a split ring that fits into a groove on a shaft. It holds parts such as bearings and gears in place along the shaft.

An external retaining ring fits into a groove on a shaft and holds parts in place. It takes a pair of circlip pliers to fit and remove.

This kind of ring is often made in stainless steel. Stainless steel resists corrosion and suits outdoor or wet use. It also keeps its spring properties over time.

This is a general guide to checking this kind of part. It says nothing about any supplier's parts.

Ask for a certificate of conformance with the material grade. On receipt, check the ring fits the groove without play. Check for cracks or burrs on the edges.