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 bolt circle hole quantity, 3.750 inches nominal mounting bolt circle diameter, steel overall material, 0.3438 inches nominal aperture diameter, 4.500 inches nominal outside diameter