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.
11.9 millimeters minimum and 12.2 millimeters maximum length, 2.92 millimeters minimum and 2.97 millimeters maximum overall thickness, steel comp 630 overall material, round, threaded mounting hole type, ams 5643 assn std single material response overall material document and classification