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.
0.213 inches minimum and 0.223 inches maximum counterbore depth, 0.620 inches minimum and 0.630 inches maximum counterbore diameter, counterbored w/ aperture cross-sectional shape style, 0.4999 inches minimum and 0.5004 inches maximum aperture diameter, 3 bolt circle hole quantity