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.
4.000 inches nominal outside diameter, 6 bolt circle hole quantity, 0.312 inches nominal overall thickness, 1.750 inches nominal aperture diameter, flat w/aperture cross-sectional shape style