롤러 베어링의 롤링 요소를 제공하는 단단하거나 속이 빈 원통형 본체입니다.
needle roller, spherical ends style designator, 0.4200 inches minimum and 0.4400 inches maximum overall length, steel comp 5140 overall material, 0.0936 inches minimum and 0.0938 inches maximum rolling element diameter