實心或空心結構的圓柱體,為滾子軸承提供滾動元件。
0.0310 inches minimum and 0.0312 inches maximum rolling element diameter, b-52f,g,h acft end item identification, 0.2600 inches minimum and 0.2800 inches maximum overall length, cylindrical roller, spherical ends style designator, steel comp e51100 overall material