LM12UU Round Flange Linear Bearing 12mm Bore 21mm Outer Diameter 30mm Length Pack of 2 Sealed for Dust Protection Double Seal Precision Motion on Guide Bars and Linear Rails Ideal for Robotics CNC Machines 3D Printers and Automation
✔️ 12mm bore, 21mm OD, 30mm length, double-sealed, pack of 2
The LM12UU round flange linear bearing provides smooth, precise motion for guide bars and linear rails. This sealed bearing is ideal for robotics, CNC setups, 3D printers, and automation fixtures where clean, low-friction movement matters.
✅ Bore: 12mm, Outer diameter: 21mm, Length: 30mm
✅ Sealed on both sides for dust and debris resistance
✅ Chromium steel shell and bearing balls for high abrasion resistance
✅ Suitable for electronic equipment, guide bars, and pillar supports
✅ Pack of 2 bearings
💡 What is a sealed flange bearing used for in precision motion systems? This handy guide covers common uses and why people pick this kind of bearing. - Uses include CNC stages, robotics joints, 3D printer axes, and automation guides - Helps reduce play and maintain smooth motion under load - Double sealing protects inner parts from dust and grit, extending life - Works with standard 12mm shafts and flange mounting