Un cuerpo cilíndrico de construcción sólida o hueca que proporciona los elementos rodantes en el rodamiento de rodillos.
needle roller, ball ends style designator, steel comp e52100 overall material, 66 fed std single material response overall material document and classification, 0.4500 inches minimum and 0.4700 inches maximum overall length, 0.0467 inches minimum and 0.0469 inches maximum rolling element diameter