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 bolt circle hole quantity, 0.375 inches nominal counterbore depth, 3.435 inches nominal counterbore diameter, 0.135 inches minimum corner radius, 2.435 inches nominal aperture diameter