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.
flat w/aperture cross-sectional shape style, 4 bolt circle hole quantity, 4.360 inches minimum and 4.400 inches maximum outside diameter, 2.730 inches minimum and 2.770 inches maximum aperture diameter, 0.110 inches minimum and 0.130 inches maximum overall thickness