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.
5.700 inches nominal outside diameter, f-16 acft end item identification, 3.830 inches nominal aperture diameter, flat w/aperture cross-sectional shape style, 0.160 inches nominal overall thickness