Features -Resistant Oxidation: The linear bearing pillow block features a oxidation treatment, providing a beautiful and -resistant finish. This ensures smooth movement, low friction, high rigidity, and long life, enhancing durability and performance. Strong Aluminum Alloy Material: Constructed from high-quality aluminum alloy, this linear bearing unit slider offers stronger bearing capacity and high precision, making it suitable for various industrial applications. Dust Prevention for Prolonged Service Life: The oxidation treatment not only enhances the aesthetics but also prevents dust from entering, prolonging the service life of the linear bearing slide block. It ensures consistent performance and reliability. Versatile Application: This open box type linear bearing unit slider is suitable for a wide range of applications, including electronic equipment, packaging machinery, medical machinery, printing machinery, and textile machinery, offering versatile and reliable performance. Energy-Efficient Universal Ball Bearings: The universal ball bearings in this linear bearing slide unit provide an efficient solution for replacing damaged ball bearings in devices, improving efficiency, and saving energy. Features: 1、 oxidation treatment, beautiful and resistant. Smooth moving, low friction, high rigidity and long life. 2、Aluminum alloy material, stronger bearing capacity. bearings, exquisite workmanship, high precision. 3、 oxidation treatment, beautiful and resistant. dust proof from entering and prolong service life. 4、Applied to electronic equipment, packaging machinery, medical machinery, printing machinery, textile machinery, machine tools etc. 5、The universal ball bearings is great for you to replace the damaged ball bearings in your devices to improve them efficiency and save energy. Specification: Item Type: Slide Block Material: Aluminum Alloy Inside Diameter: Appprox. 12 mm/0.5in Length: Approx. 40 mm/1.6in Width: Approx. 39 mm/1.5in Height: Approx. 27.6 mm/1.1in Package List: 1 x Bearing Note: Please allow 1？2cm/0.4‑0.8in error in measurement. Package List 1 x Bearing