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.
2.156 inches minimum and 2.173 inches maximum aperture diameter, 4 bolt circle hole quantity, 5.750 inches nominal outside diameter, 5.000 inches nominal mounting bolt circle diameter