롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
66,aisi/sae e50100,e51100 or e52100 fed std single material response overall material document and classification, 0.0779 inches minimum and 0.0781 inches maximum rolling element diameter, steel comp e50100 or steel comp e51100 or steel comp e52100 overall material, 0.7300 inches minimum and 0.7500 inches maximum overall length, needle roller, spherical ends style designator