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.
seat-number 2 bearing seal part name assigned by controlling agency, tf33 engine,a/c end item identification, id-5.1203,od-6.6700,width-0.6930 inches.material is ams 6322 or ams 6323 steel.hardness rockwell c32-38 or equiv. special features, agav criticality code justification, contact bearing seal type