Linear ball bearings deliver smooth linear motion for mechanical slides, 2-axis/3-axis tables, and linear guides, with broad use in 3D printers, CNC machines, electronic devices, food machinery, and packaging equipment.<br><br><strong>Specification</strong><br>Color: Silver<br>Model: LM12UU<br>Bore Dia: 12mm / 0.47 inch<br>Outer Dia: 21mm / 0.83 inch<br>Length: 30mm / 1.18 inch<br>Dynamic Load Capacity: 510N<br>Static Load Capacity: 784N<br>Packing List: 4 x Linear Ball Bearings<br><br><strong>Advantages</strong><br>The slide bearings are crafted from bearing steel, with high hardness, excellent wear resistance, and strong load-bearing capacity to ensure stable performance and long service life in mechanical motion applications.<br>Linear ball bearings feature double-sided seals to effectively block dirt, water, and foreign particles, ensuring internal lubrication retention and prolonged service life in harsh operating environments.<br><br><strong>Instruction</strong><br>Linear bearings are integral components of linear motion systems, typically paired with cylindrical shafts or guideways to enable smooth, precise linear movement while reducing friction and supporting radial loads.<br><br><strong>Note: Ensure concentricity between the shaft and bearing during installation, avoid overloading or eccentric loading</strong>