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。
0.3750 inches nominal overall width, steel comp e52100 overall material, mil-s-7420,comp e52100 mil spec single material response overall material document and classification, 3.2745 inches minimum and 3.2750 inches maximum bore diameter, 3.5205 inches minimum and 3.5212 inches maximum overall outside diameter