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.
4.250 inches nominal outside diameter, flat w/aperture cross-sectional shape style, 3.375 inches nominal aperture diameter, 0.125 inches nominal overall thickness, 8 bolt circle hole quantity