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pbrass, cylindrical shape, both ends flanged, 0.250-18 npt lubricating hole centered between flanges, 0.250 in. wide lubricating groove on inside bearing surface. 3.125 in. bore dia., 4.625 in. largest od., 3.875 in. long.
FSC 3120 ⁓ Bearings, plain, unmounted
Note-bearings in this class are generally one piece that retain and position moving and/or rotating parts. they may have lubrication grooves/fittings/facilities or include pre-lubrication.
Excluding antifriction bearings (fsc 3110); mounted bearings (fsc 3130).