Flange mounted bearings, also called flange block bearings, are a combined housing and bearing that provides a ready-to-use product. The bearing housing may have two or four mounting holes predrilled into the casting for simplified installation.

 Pillow block bearings, flange bearing units, bearing blocks, and take-up bearings units all consist of a housing with a bearing mounted in it. They are available in a variety of materials, mounting configurations and various bearing features.