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.
0.880 inches minimum and 0.900 inches maximum counterbore diameter, 0.700 inches minimum and 0.705 inches maximum aperture diameter, raised surface w/ aperture cross-sectional shape style, 45.0 degrees nominal countersink angle, 0.173 inches nominal counterbore depth