滾珠軸承或滾柱軸承的內部組件,為減摩軸承的滾動元件提供接觸面。
1.4984 inches minimum and 1.4990 inches maximum overall outside diameter, 1.2550 inches minimum and 1.2600 inches maximum overall width, 66 fed std all material responses overall material document and classification, 1.2495 inches minimum and 1.2500 inches maximum bore diameter, straight bore shape