實心或空心結構的圓柱體,為滾子軸承提供滾動元件。
0.0623 inches minimum and 0.0625 inches maximum rolling element diameter, steel comp e52100 overall material, 66 fed std single material response overall material document and classification, 0.3700 inches minimum and 0.3800 inches maximum overall length, set of 14 rollers in waxed strip special features