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.
0.390 inches nominal counterbore depth, flat w/aperture cross-sectional shape style, 0.594 inches nominal counterbore diameter, 4 bolt circle hole quantity, 1.750 inches nominal aperture diameter