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.
2.890 inches minimum and 2.910 inches maximum aperture diameter, 3.600 inches minimum and 3.640 inches maximum length, 4 bolt circle hole quantity, flat w/aperture cross-sectional shape style, 30.0 rockwell c minimum and 35.0 rockwell c maximum hardness rating