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.
5.747 inches minimum and 5.749 inches maximum outside diameter, copper alloy overall material, 3.188 inches nominal aperture diameter, 5.125 inches nominal mounting bolt circle diameter, 6 bolt circle hole quantity