實心或空心結構的圓柱體,為滾子軸承提供滾動元件。
steel roller material, 1.2950 inches minimum and 1.3000 inches maximum overall length, ams 6276 assn std single material response roller material document and classification, tapered roller, flat ends style designator, stabilized for operation from m65 deg f to p375 deg f,c59.0 to c63.0 rockwell hardness o/a special features