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.
2.735 inches minimum and 2.739 inches maximum outside diameter, raised surface w/ aperture cross-sectional shape style, 1.400 inches nominal aperture diameter, 0.060 inches nominal flute radius, 3 flute quantity