当在径向和轴向上进行测量时，本试验方法为确定球面轴承的滚珠和外圈之间的总自由间隙提供了指南。本试验方法涵盖的轴承包括所有平球面轴承。自润滑（衬里）和金属对金属。

This test method provides a guidance for determining the total free play between the ball and outer ring of a spherical bearing when measured in both the radial and axial directions. Bearings covered by this test method include all plain spherical type bearings. Both self-lubricated (lined) and metal-to-metal.