The LM30UU is a 30 mm bore linear ball bearing designed to ride on a 30 mm diameter shaft. It delivers smooth, lowfriction linear motion and is built for durability in a wide range of automation and motion control applications. The unit uses precision ground steel races and steel balls to provide reliable performance over a long service life. Key benefits Smooth, lowfriction linear motion for precise positioning and repeatability 30 mm bore compatibility with standard 30 mm shafts and rail systems Robust steel construction with precision ground races for durability Reliable performance under continuous or intermittent motion Simple integration with common shafting, supports, and end caps Maintains alignment and reduces wear in moving assemblies Key attributes Functionality: Linear ball bearing that enables guided motion on a 30 mm shaft Compatibility: Designed for use with standard 30 mm shaft systems and related components Size: Bore diameter is 30 mm (LM30UU designation) Material: Steel races and steel balls with precisionground finishes Performance: Enables smooth motion with low friction and dependable load handling over time Applications and use cases CNC machinery and automated tooling where precise X/Y/Z axis movement is required 3D printers for reliable smooth motion along the X, Y, or Z axes Robotic arms and pickandplace systems that require accurate linear guidance on 30 mm shafts Installation and maintenance notes Ensure a properly matched 30 mm shaft and clean, debris mounting environment Lubricate as recommended for linear bearings to maximize life and performance Align carefully during installation to maintain straightline motion and reduce wear The LM30UU combines a proven 30 mm bore with durable steel construction to deliver dependable, repeatable linear motion in a compact, easytointegrate package. It is well suited for precision machinery, automation, and any application requiring reliable shaftbased guidance.