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.
6 bolt circle hole quantity, 7.500 inches nominal aperture diameter, counterbored w/ aperture cross-sectional shape style, 7.873 inches minimum and 7.878 inches maximum counterbore diameter, 0.330 inches minimum and 0.332 inches maximum counterbore depth