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/aperture cross-sectional shape style, 3.060 inches nominal length, 0.499 inches minimum and 0.500 inches maximum aperture diameter, 4 bolt circle hole quantity, 0.250 inches nominal overall thickness