LM5UU Linear Ball Bearing 6 Pack, 5mm Bore, 10mm OD, 15mm Long, 45 Steel for CNC Machines and 3D Printers, Smooth Sliding Precision Guides for Reliable Motion Control, Ideal for DIY CNC Routers, Laser Cutters, and Printer Rails

5mm Bore Linear Ball Bearing 6-Pack for CNC & 3D Printers
✔️ 5mm bore, 10mm OD, 15mm long, 6 pcs per pack, 45# steel

The LM5UU linear ball bearing is a precision guide used in CNC machines, 3D printers, and automated equipment. Built from 45# steel, these 5mm bore bearings glide along smooth rails to deliver accurate, low-friction motion in compact assemblies.

✅ LM5UU model reference
✅ Material: 45# steel
✅ Bore diameter: 5 mm
✅ Outer diameter: 10 mm
✅ Total length: 15 mm
✅ Package content: 6 pcs x Linear Ball Bearings

💡 What is a linear ball bearing used for in CNC machines and 3D printer rails? This handy component provides smooth, precise movement along a fixed axis. - Reduces friction and wear for longer life - Keeps axes aligned for repeatable positioning - Fits compact 5 mm bore rails for tight setups - Easy to replace in DIY CNC and 3D printer builds