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, 0.7350 inches minimum and 0.7400 inches maximum overall width, 2.5585 inches minimum and 2.5591 inches maximum bore diameter, 3.1653 inches minimum and 3.1655 inches maximum overall outside diameter, steel overall material