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。
3.4980 inches minimum and 3.5000 inches maximum overall outside diameter, 2.0000 inches minimum and 2.0020 inches maximum bore diameter, straight bore shape, 0.4950 inches minimum and 0.50000 inches maximum overall width, copper alloy overall material