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.
3.750 inches nominal aperture diameter, winch,aircraft mounted fsc application data, flat w/aperture cross-sectional shape style, 4.688 inches nominal outside diameter, 8 bolt circle hole quantity