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