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.
0.590 inches minimum and 0.610 inches maximum counterbore depth, 4.855 inches minimum and 4.895 inches maximum outside diameter, 25.0 rockwell c minimum and 33.0 rockwell c maximum hardness rating, counterbored w/ aperture cross-sectional shape style, 2.105 inches nominal distance from center of plate to flat