10 pieces per lot of LMxUU linear bearings for rod based linear guides, including LM3UU, LM4UU, LM5UU, LM6UU, LM8UU, and LM10UU models. The LM8UU item in this lot has dimensions 8x15x24 mm (bore 8 mm, outer diameter 15 mm, length 24 mm). Key benefits Enables smooth, low friction linear motion on round shafts, improving precision and reducing wear in moving assemblies. Wide compatibility across common shaft sizes through the LM3UU, LM4UU, LM5UU, LM6UU, LM8UU, and LM10UU models. Convenient for replacements and project builds, allowing quick maintenance or upgrades without major redesigns. Compact LM8UU option provides a reliable 8 mm bore with measured size 8x15x24 mm, suitable for tight spaces and compact axis designs. Consistent tolerances support repeatable positioning and dependable performance in basic to moderate load applications. Key attributes Functionality: linear bearing bushings designed to roll on round shafts to guide linear motion. Compatibility: suitable for standard LM types across 3, 4, 5, 6, 8, and 10 mm shaft sizes. Size: includes LM8UU with 8x15x24 mm dimensions; the lot also covers LM3UU, LM4UU, LM5UU, LM6UU, and LM10UU models. Material: built to standard LMUU specifications for reliable operation in typical CNC, 3D printing, and automation setups. Performance: designed to deliver smooth guidance, durable operation, and repeatable motion when used with appropriate lubrication and alignment. Applications 3D printers and CNC machines for smooth X, Y, or Z axis guidance on standard round rails. Robotic and automation assemblies requiring precise linear motion along a shaft. General linear guidance in DIY projects, education kits, and compact sliding mechanisms. What you receive A 10 piece lot containing LM3UU, LM4UU, LM5UU, LM6UU, LM8UU, and LM10UU linear bearings to cover multiple shaft sizes and application needs.