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.
steel comp 60-30 or steel uns j03001 or steel uns j03501 overall material, astm a27 assn std all material responses overall material document and classification