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.
0.843 inches nominal distance from horizontal centerline to center of lower hole, 1.053 cubic inches cubic measure, "used on main reduction gear model hsq2724 onboard 210 ft wmec "b" class coast guard vessels" end item identification, 1.687 inches nominal distance between holes along width, flat w/o aperture cross-sectional shape style