Rexnord 10287347 ES3-R Element is a spacer elastomeric element used in Rexnord Omega couplings, specifically the ES-R spacer style. It features a urethane (orange) shoe coating and is offered in standard imperial sizing within the Omega spacer elastomeric elements family. In Rexnord installation literature, the Size 3 ES3-R element (10287347) is listed with compatible hubs and fasteners for a complete assembly, confirming its role as the elastomeric insert between hubs in ES-R configurations.
