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.
plastic overall material, 0.171 inches nominal mounting hole diameter, round, unthreaded mounting hole type, 4 bolt circle hole quantity, 2.310 inches nominal length