an end bell for a motor has a base plate , a bearing and a molded insert to couple the bearing to the base plate . the end bell with molded insert is durable , light weight and has good anti - corrosion properties . the bearing is held in relation to the base plate while the molded insert is disposed . a post - mold machining operation can be used to both size the bearing hole to the motor shaft but also to align the hole in relation to the base plate . bushings and fasteners for assembly of the end bell to the motor housing and supplemental supports may be pre - attached to the base plate , molded into the molded insert or added in a post - mold operation . deformations in the end bell may be used to couple the molded insert to the end bell .