롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
0.2690 inches minimum and 0.2710 inches maximum overall length, 0.2178 inches minimum and 0.2179 inches maximum rolling element diameter, steel comp e52100 overall material, aisi 52100 assn std single material response overall material document and classification, hardness rating rockwell c scale 58 min special features