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.
aisi assn std single material response overall material document and classification, 1.4070 inches minimum and 1.4270 inches maximum outside diameter, 0.8770 inches minimum and 0.8870 inches maximum bore diameter, 0.1230 inches minimum and 0.1260 inches maximum overall width, steel comp 1074 overall material