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。
0.6980 inches minimum and 0.7010 inches maximum bore diameter, copper alloy 642 overall material, 0.2870 inches minimum and 0.2970 inches maximum overall width, 0.8420 inches minimum and 0.8520 inches maximum outside diameter, qq-c-465,alloy 642 fed spec 1st material response or alloy 954,type 2 or 3 fed spec 2nd material response overall material document and classification