0.5400" overall length elliptical bore, 0.2505 in. min, 0.2515 in. max minor dia, 0.2900 in. min, 0.3100 in. max major dia; flange cut on two sides, 90 deg apart, 0.5800 in. min, 0.6000 in. max from bore center
3.2500" outside diameter 0.7950" overall width cup stand must be held to 0.0000 in. low to 0.0020 in. high; single cup-measure stand from backface; cup id must be honed 8 microinches max normal angle
39.00mm overall width 80.00mm bore diameter electric motor quality; heat stabilized for operation at 150 deg c or 300 deg f non-loading groove, non-separable