本ARP规定了适用于支撑动平衡机中燃气轮机旋转部件的一系列内径为半成品的滚珠轴承的标称尺寸和公差。

This ARP specifies both the nominal dimensions and the tolerances for a series of ball bearings with semifinished inside diameters which are suitable for supporting gas turbine rotating components in dynamic balancing machines.