A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes:end bell, electrical rotating equipment.
round style designator, steel comp 1020 overall material, qq-s-634 fed spec single material response or sae assn std single material response overall material document and classification, round, unthreaded mounting hole type, raised surface w/aperture cross-sectional shape style