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.
4.070 inches nominal outside raised surface diameter, 5.027 inches minimum and 5.047 inches maximum outside diameter, steel overall material, 12 bolt circle hole quantity, raised surface w/ aperture cross-sectional shape style