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.
4 bolt circle hole quantity, 6.344 inches nominal outside diameter, 4.625 inches nominal counterbore diameter, 2.895 inches minimum and 2.900 inches maximum aperture diameter, 0.125 inches nominal counterbore depth