A single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see bearing unit, ball; bearing unit, plain; and bearing unit, roller.
phosphate overall excluding bore or aperture surface treatment, t56a427 gearbox fsc application data, steel overall material, 23005539 mfr ref single treatment response overall excluding bore or aperture surface treatment document and classification, 0.285 inches nominal mounting hole diameter