Below are some suggestions for selecting different materials for bearing seats.

　　The bearing seat is mainly made of materials such as cast iron, cast steel, stainless steel, etc.

　　1. Cast iron: Economically cheap, but not durable.

　　2. Cast steel: durable and priced high. When using cast steel bearing seats, it is possible to damage other components in case of problems.

　　3. Stainless steel: used in areas with corrosion.