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.
0.251 inches minimum and 0.258 inches maximum aperture diameter, 1.150 inches nominal outside raised surface diameter, raised surface w/ aperture cross-sectional shape style, 3.120 inches nominal length, 4 bolt circle hole quantity