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 overall material, 4.000 inches nominal outside diameter, 1.578 inches minimum and 1.582 inches maximum aperture diameter, 4 bolt circle hole quantity, 0.250 inches nominal mounting hole diameter