實心或空心結構的圓柱體,為滾子軸承提供滾動元件。
cylindrical roller, spherical ends style designator, 66,aisi/sae e50100 or e52100 fed std single material response overall material document and classification, 0.0779 inches minimum and 0.0781 inches maximum rolling element diameter, 0.1950 inches minimum and 0.2150 inches maximum overall length, steel comp e50100 or steel comp e52100 overall material