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.
3 bolt circle hole quantity, 0.225 inches minimum and 0.229 inches maximum countersink diameter, 0.445 inches minimum and 0.450 inches maximum aperture diameter, 100.0 degrees nominal countersink angle, flat w/aperture cross-sectional shape style