Due to the complex operating conditions, high loads, and high speeds of subway train bearings, the factors that affect the comprehensive performance of bearings and their lubrication systems are complex. Therefore, higher requirements are placed on the performance, service life, and reliability of their bearings, and experimental research is particularly important. The use of advanced bearing test benches for systematic research can provide important technical means for deep understanding of the friction and wear performance, heat and corrosion resistance, and fatigue resistance of bearings and grease, and provide reliable basis for improving the design and manufacturing level of bearings, testing and verifying various performance of bearings.

The subway testing machine can simulate axle box bearings for railway vehicles under standard load spectrum, speed spectrum, and various environmental conditions according to EN12082 and TB3017.1 standards, and conduct corresponding preliminary tests, thermal performance, and durability tests on axle box bearings.