Features Practical Retainer Structure: Utilizes a steel wire retainer structure to effectively prevent steel balls from falling off, ensuring practicality and safety. High Position Accuracy and Automatic Aligning Ability: Boasts high load bearing capacity, comprehensive ing system, and automatic aligning ability for positioning. Easy Replacement: Enables individual replacement of slider, guide rail, or linear guide rail group, ensuring high speed, low noise, and fluent sliding without sticking. Low Friction and Burr-: Features low friction, flexibility, and simple installation, making it novice-friendly with no burrs. Bearing Steel Material: Crafted from bearing steel, ideal for 3D printing, CNC, robotics, and automation applications. Features: 1、PRACTICAL RETAINER STRUCTURE: Linear motion block is using steel wire retainer structure, effectively prevent steel balls falling off. Practical and safe. 2、POSITION AND AUTOMATIC ALIGNING ABILITY: Linear motion bearing block adopts high position accuracy and comprehensive ing system. With high load bearing capacity and automatic aligning ability. 3、REPLACED RESPECTIVELY: Our linear motion rail bearing block is in high speed and low noise, also fluent sliding without sticking. The slider or guide rail or even the linear guide rail group can be replaced respectively to regain the guide. 4、LOW FRICTION AND BURR : Linear motion block has low friction and is flexible, no burr and simple to install, friendly to novices. 5、MADE OF BEARING STEEL MATERIAL: Bearing slide block is made of bearing steel, which is for 3D printing, wind, solar, CNC, robot, automation and other equipment. Specification: Item Type: 3D Printing Bearing Slide Block Material: Bearing Steel Use: Widely used in various industrial fields such as machine tools, engineering machinery, robots, reducers, steel, metallurgy, textile, mining, printing, etc. Package List: 1 x Linear Motion Rail Bearing Block Package List 1 x Linear Motion Rail Bearing Block