Product FeaturesDa - Cup Frontface Backing Diameter4.89 inCg - Geometry Factor0.12Y - ISO Factor31.31Db - Cup Backface Backing Diameter4.69 inCup Part NumberLM716412Design UnitsImperialC - Cup Width0.8125 inr - Cup Backface To Clear Radius10.06 inD5.1250 inSeriesLM716400