<h3>Key features</h3><ul> <li>High Precision: Designed for 6mm linear shafts, the SCS6UU Linear Bearing Blocks feature four rows of precision steel balls to deliver smooth and accurate linear motion. Low friction, reduced vibration, and stable operation provide reliable performance for high-precision applications.Overall dimensions: 25x30x9mm (0.98x1.18x0.35in)</li> <li>Double Sealed Protection: The linear motion ball bearing slide block features double rubber seals on both sides to help prevent dust, debris, and moisture from entering the bearing. It helps retain internal lubrication, reduce wear, and extend service life.</li> <li>Easy Installation: Designed with standard SCS6UU mounting dimensions and pre-drilled mounting holes for fast installation and easy replacement. Compatible with 8mm linear shafts.</li> <li>Durable: Made from high-quality materials with precision machining and surface treatment, this linear bearing block offers excellent wear resistance, high strength, and corrosion resistance. Designed for long-term use, it provides smooth and stable linear motion performance.</li> <li>Wide Applications: Includes 4 PCS SCS6UU Linear Bearing Blocks with an 6mm bore, suitable for CNC machines, 3D printers, engraving machines, linear guide systems, automation equipment, and various DIY linear motion projects.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>