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, 4.0584 inches nominal length, 0.531 inches nominal mounting hole diameter, steel comp 1008 or steel comp 1010 overall material, 0.250 inches nominal aperture diameter