Square Flange Linear Bearing Set LMK12UU 12x21x30mm 2Pcs For Smooth Linear Motion Flange Mount Bearings Made From High Quality Bearing Steel Ideal For CNC Machines 3D Printers And DIY Automation Projects

2-Pack LMK12UU Flange Linear Bearing 12x21x30mm
✔️ 2 pcs, LMK12UU, bore 12 mm, outer 21 mm, length 30 mm

These flange linear bearings are built for smooth, precise motion in CNC machines, 3D printers, and DIY automation projects. They use a robust bearing-steel ball-bearing design and flange mounting to ensure stable alignment and easy installation.

✅ Bore diameter: 12 mm
✅ Outer diameter: 21 mm
✅ Length: 30 mm
✅ Material: bearing steel
✅ Package: 2 pieces

💡 What is a flange linear bearing LMK12UU used for in precision motion systems? This handy bearing provides smooth, controlled linear motion in compact, low-clearance setups.
- Handy alignment for flat flange mounting
- Stable, low-friction travel with ball-bearing design
- Ideal for compact linear slide unit configurations
- Works with CNC machines and 3D printers