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.
0.5000 inches nominal bore diameter, steel comp e52100 overall material, 0.9370 inches nominal outside diameter, 66,aisi/sae e52100 fed std single material response overall material document and classification, 0.0300 inches minimum and 0.0320 inches maximum overall width