用於隔開並保持軸承、滾子(經修改)的滾動元件的框架或外殼。
0.4500 inches minimum and 0.4600 inches maximum overall width, 1.7910 inches minimum and 1.8010 inches maximum outside diameter, qq-c-465,alloy 642 fed spec 1st material response or qq-c-390,alloy g6 fed spec 2nd material response overall material document and classification, 1.5840 inches minimum and 1.5870 inches maximum bore diameter, copper alloy 642 overall material