This 5mm Idler Wheel is a low friction idler pulley with a bearing, designed as a wheel replacement for 3D printer accessories. It provides smooth belt routing and helps maintain consistent print quality by reducing resistance in the belt path. Key Benefits Reduces belt friction and wear through a bearingdriven pulley, helping extend belt life. Smooth rotation supports stable belt guidance and can contribute to improved print consistency. Preinstalled bearing simplifies installation, enabling quick wheel replacement. 5mm size makes it suitable for common 3D printer idler configurations that use this specification. Readytouse replacement part for routine maintenance and printer upgrading. Key Attributes Functionality: idler wheel with bearing for belt routing in 3D printer assemblies. Compatibility: designed as a wheel replacement for 3D printer accessories and related idler setups. Size: 5mm idler wheel. Bearing: includes a bearing (preinstalled) for immediate use. Performance: low friction design aimed at smoother operation and reduced resistance in the belt path. Use Cases Wheel replacement for worn or damaged 3D printer idlers to restore proper belt tension and alignment. Upgrade for older printers to reduce belt resistance and improve print reliability. Spare part for maintenance programs, enabling fast field replacement without downtime.