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.
1.880 inches nominal aperture diameter, copper alloy overall material, 7.243 inches minimum and 7.245 inches maximum outside diameter, 0.438 inches nominal raised surface height, round, unthreaded mounting hole type