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.
2.760 inches nominal length, 2.126 inches nominal distance between holes along length, 2 bolt circle hole quantity, rotor,helicopter fsc application data, 0.590 inches minimum and 0.600 inches maximum aperture diameter