球軸承或滾子軸承的外部組件,為減摩軸承的滾動元件提供接觸面。
0.2420 inches minimum and 0.2460 inches maximum overall width, steel comp 440c overall material, qq-s-763,class 440c,cond a fed spec single material response overall material document and classification, 0.9980 inches minimum and 0.9990 inches maximum overall outside diameter, 0.8832 inches minimum and 0.8837 inches maximum bore diameter