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