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.
4.680 inches minimum and 4.720 inches maximum outside diameter, 3.300 inches minimum and 3.340 inches maximum aperture diameter, 8 bolt circle hole quantity, 0.125 inches nominal overall thickness, flat w/aperture cross-sectional shape style