- Always ready to provide you with the ideal home tool. If you have any concerns with your purchase, please reach out for assistance. - Pre-lubricated with grease for optimal performance, ensuring smooth operation right out of the box. - Features a linear bearing ball cage with hardened coatings on both end rings for enhanced durability and stability. Key Benefits: - Reliable Performance: The pre-lubrication reduces friction and wear, extending the life of the bearings and enhancing efficiency in various applications. - Durable Construction: The hardened coating on the end rings provides superior resistance to wear and tear, making these bearings suitable for demanding environments. - Versatile Use: Ideal for a range of applications including CNC machines, 3D printers, and linear motion systems, ensuring smooth and precise movement. - Compatibility: Designed to fit standard linear guides, making them easy to integrate into existing setups without modifications. - Size and Specifications: Available in various sizes to meet your specific needs, ensuring a perfect fit for your projects. Choose these bearings for your next project to experience unparalleled reliability and performance.