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。
0.4996 inches minimum and 0.5000 inches maximum bore diameter, 0.7488 inches minimum and 0.7493 inches maximum overall outside diameter, straight bore shape, steel overall material, 1.0050 inches minimum and 1.0100 inches maximum overall width