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.
0.090 inches nominal overall thickness, magnesium overall material, 2 bolt circle hole quantity, 1.030 inches nominal aperture diameter, 2.880 inches nominal length