베어링을 수용하도록 설계된, 대개 원형의 단단한 물체. 베어링의 위치를 정하지만, 베어링을 감싸거나 움직임을 제한하지는 않습니다.
1.0020 inches minimum and 1.0120 inches maximum bore diameter, steel comp e52100 overall material, 1.5320 inches minimum and 1.5520 inches maximum outside diameter, 0.1230 inches minimum and 0.1260 inches maximum overall width, 66,aisi/sae e52100 fed std single material response overall material document and classification