롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
feat criticality code justification, 0.5249 inches minimum and 0.5251 inches maximum rolling element diameter, steel comp e52100 overall material, flight safety critical special features, 1.0290 inches minimum and 1.0330 inches maximum overall length