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.
2.250 inches nominal mounting hole diameter, 4.0625 inches nominal width across flats, 5.250 inches nominal outside diameter, round, unthreaded mounting hole type, nickel alloy r-405 overall material