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。
straight bore shape, 1.3482 inches minimum and 1.3486 inches maximum overall outside diameter, 1.6370 inches minimum and 1.6380 inches maximum overall width, steel overall material, 1.0724 inches minimum and 1.0728 inches maximum bore diameter