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.
3.500 inches nominal aperture diameter, 0.312 inches nominal counterbore depth, 4 bolt circle hole quantity, 5.875 inches nominal outside diameter, 5.125 inches nominal counterbore diameter