Features: SC8UU/SCS8UU linears bearing blocks deliver precise 0.01mm sliding accuracy for smooth linears motion in automation systems and CNCs machinery, ensuring positioning during fast speed operations. from aluminum alloy with standardized mounting holes, these linears bearings enable effortless integration into space constrained setups while maintaining structural rigidity. for mechanical engineers, CNCs operators, and printing enthusiasts requiring levels precisions in prototyping, manufacturing, and automated production line configurations. Perfectly adapts to printers, engravers, and milling machines where consistent linears guidance for intricate carving, layer by layer printing, and repeatable machining processes. Optimized for SC8/SC8UU/SCS8UU compatible shafts, this low friction bearing systems minimizes wear through precisions ground surfaces, extending service life in industrial applications. Specifications: Model: SC8 SC8UU SCS8UU Materials: Aluminum alloy Color: Silver Size:17x11mm/0.67x0.43inch Package Includes: 10Pcs linears Bearing Slider note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.