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, oil hole and groove included special features, 2.0050 inches minimum and 2.0100 inches maximum overall width, 3.4995 inches minimum and 3.5000 inches maximum overall outside diameter, 2.8744 inches minimum and 2.8750 inches maximum bore diameter