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.
2.8700 inches minimum and 2.8720 inches maximum outside raised surface diameter, 0.3800 inches nominal raised surface height, 0.4900 inches nominal overall thickness, 2.3400 inches minimum and 2.3600 inches maximum aperture diameter