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.
round, unthreaded mounting hole type, 110.0 millimeters nominal aperture diameter, 48.0 millimeters nominal overall thickness, round style designator, 270.0 millimeters nominal outside diameter