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.
flat w/o aperture cross-sectional shape style, 3 bolt circle hole quantity, steel overall material, 0.100 inches minimum and 0.116 inches maximum overall thickness, 4.000 inches nominal outside diameter