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.
2.953 inches nominal aperture diameter, acft eng f-101 end item identification, 2.680 inches minimum and 2.720 inches maximum counterbore diameter, counterbored w/ aperture cross-sectional shape style, 0.675 inches minimum and 0.700 inches maximum counterbore depth