롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
steel comp 5140 overall material, needle roller, spherical ends style designator, 0.9800 inches minimum and 1.0000 inches maximum overall length, 0.2498 inches minimum and 0.2500 inches maximum rolling element diameter