The invention discloses an insert bearing anti-splash performance testing machine, which comprises a frame, a test head part, two sets of loading parts, a main shaft part, a splash system, an electriccontrol system, a computer monitoring system and a protective cover; the main shaft part, the splash system and the protective cover are fixed on the frame; the test head part is mounted on the mainshaft part; the two sets of loading parts are symmetrically fixed on the main shaft part; the loading parts are located above a tested bearing and apply the radial load on the tested bearing; the splash system is located in front of the tested bearing for spraying the liquid from different directions on the tested bearing; the electric control system controls the operation of the testing machine;and the computer monitoring system is connected to the electric control system. The computer monitoring system displays the test speed, test load, and test time, and can set several test periods, therotation speed of each section and the time of idle, direct injection, idle, oblique spray, and stop. The testing machine of the invention can shorten the test cycle, save manpower and save the test cost.