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.
three flats style designator, flat w/aperture cross-sectional shape style, bolt features provided, single bolt hole circle mounting hole arrangement style, 3 bolt circle hole quantity