AllinOne Package Includes 1 BK40 bearing seat and 1 BF40 bearing seat for a complete ball screw support solution. Built to Last Made from robust bearing steel, these components resist wear and tear and withstand heavy usage in demanding environments. Optimized for Accuracy rigidity provides stable operation, essential for precise alignment and dependable performance in engineering tasks. Elegant Finish Blackened treatment delivers a professional appearance while enhancing longevity in industrial applications. Key Benefits Reliable ball screw support that improves alignment, rigidity, and overall motion accuracy. Durable construction designed for long service life under frequent or heavy use. Simple compatibility with BK40 and BF40 ball screw systems for straightforward installation. What You Get and Specifications Contents: 1 BK40 bearing seat, 1 BF40 bearing seat Material: bearing steel Finish: blackened Compatibility: designed for BK40/BF40 ball screw assemblies Function: ball screw support components for precise linear motion Applications CNC machines and milling/ routing setups requiring stable Z, X, or Y axis supports Robotic arms and automated systems that rely on precise linear actuation Retrofit projects or builds that utilize BK40 and BF40 ball screw configurations