ローラー ベアリングの転動体となる、中実または中空構造の円筒形本体。
66,aisi/sae e50100 or e52100 fed std single material response overall material document and classification, 0.2498 inches minimum and 0.2500 inches maximum rolling element diameter, steel comp e50100 or steel comp e52100 overall material, 63.0 min rockwell c hardness rating special features, 0.6000 inches minimum and 0.6200 inches maximum overall length