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.
2.940 inches nominal outside diameter, 1.376 inches minimum and 1.377 inches maximum aperture diameter, 0.745 inches minimum and 0.755 inches maximum overall thickness, 4 bolt circle hole quantity, flat w/aperture cross-sectional shape style