一種單排或多排減摩軸承,帶或不帶內圈或外圈,其特點是滾輪尺寸相對較小,直徑通常不超過 0.250 英吋(6.35 毫米),長度通常比直徑長。
steel overall material, rigid alignment type, 0.6150 inches minimum and 0.6250 inches maximum overall width, 0.5616 inches minimum and 0.5620 inches maximum bore diameter, 0.7496 inches minimum and 0.7500 inches maximum overall outside diameter