Rexnord FX3U216N Flange Mounted Bearing Unit

The Rexnord FX3U216N is a flange-mounted ball bearing unit in the FX3U family, designed for 1 in bore shafts and featuring a two-bolt flange mount that provides compact, rigid support in rotating equipment. It uses a cast-iron housing with a fixed (non-expansion) bearing and a setscrew-locking insert, classifying it as standard-duty service. Seal options include E3 triple lip seal, N lip seal, and H labyrinth seal configurations, providing varied contamination resistance and lubrication retention. Typical dimensions list an overall length of 3-57/64 in, mounting width of 2-11/16 in, and a 1 in bore, with Rexnord's Link-Belt branding associated with FX3U216N.