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。
0.2020 inches minimum and 0.2160 inches maximum overall width, 2.7420 inches minimum and 2.7570 inches maximum overall outside diameter, 66 fed std single material response overall material document and classification, steel comp 1075 overall material, ground surface finish