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.
5.562 inches nominal outside diameter, 4.750 inches nominal first bolt circle diameter, 1.636 inches minimum and 1.640 inches maximum aperture diameter, 3.688 inches nominal outside raised surface diameter, 7 bolt circle hole quantity