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.
0.406 inches nominal mounting hole diameter, 5 bolt circle hole quantity, 4.250 inches nominal mounting bolt circle diameter, iron overall material, 2.813 inches nominal aperture diameter