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.
round style designator, round, threaded, countersunk mounting hole type, 250.0 millimeters nominal body diameter, 82.5 millimeters nominal overall thickness, 76.4 millimeters nominal raised surface height