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.
5.750 inches nominal counterbore diameter, 6 bolt circle hole quantity, 4.998 inches minimum and 5.002 inches maximum aperture diameter, 0.185 inches minimum and 0.190 inches maximum counterbore depth, raised surface w/aperture cross-sectional shape style