A rigid item usually circular in shape, designed to accommodate a bearing. It positions the bearing but does not encase it or restrain its motion.
steel comp 303 overall material, vaneaxial fan motor assembly (type a) fan size 4185ax(s4) end item identification, astm-a-582,type 303,condition a assn std single material response overall material document and classification, insert bearing (press in type) part name assigned by controlling agency