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.
2.000 inches nominal outside diameter, flat w/aperture cross-sectional shape style, 1.063 inches nominal aperture diameter, 0.281 inches nominal overall thickness, 4 bolt circle hole quantity