What Are Bearing Housings Made of?

Usually there are five types of bearing housing as below:

Split plummer block of housing

Non-split plummer block housing

Flanged housing

Take-up housing

Two-bearing housing

Gray cast iron is a common material used for bearing housings. Metals of various grades can be used to make the same products, including ductile iron, steel, and stainless steel, as well as some types of thermoplastics and polyethylene-based plastics.