롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
0.2900 inches minimum and 0.3100 inches maximum overall length, needle roller, spherical ends style designator, steel comp 5140 overall material, 0.0310 inches minimum and 0.0312 inches maximum rolling element diameter