As the demand for high precision and efficiency in manufacturing continues to rise, high-speed machining technology has become a critical driving force in modern industry. In this context, the stability and precision of machinery have become crucial. Especially in high-end sectors such as aerospace, automotive manufacturing, and precision machining, even the slightest error can have significant consequences. During high-speed machining processes, machine components are subjected to extreme loads, intensifying the need for key components that ensure stable operation and enhanced machining precision.