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.
3.0625 inches nominal outside diameter, 40.0 rockwell c minimum and 45.0 rockwell c maximum hardness rating, 2.745 inches minimum and 2.755 inches maximum mounting bolt circle diameter, single bolt hole circle mounting hole arrangement style, 6 bolt circle hole quantity