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.
aligning style designator, 3.2520 inches minimum and 3.2720 inches maximum bore diameter, steel overall material, 0.5440 inches minimum and 0.5660 inches maximum overall width, 4.6050 inches minimum and 4.6090 inches maximum outside diameter