4 Pack SBR12UU Linear Bearing Blocks For 12mm Linear Guide Rails Aluminum Alloy Pillow Slide Block Pro Grade Smooth Low Friction Motion For CNC Router Parts

4-Pack SBR12UU Aluminum Pillow Blocks for 12mm Rails
✔️ 4x SBR12UU blocks with 12mm bore and aluminum alloy body for rails

These precision pillow blocks are designed to ride on 12mm SBR12 linear guide rails, providing sturdy support and smooth motion for CNC routers, mills, lathes, and automated equipment.

✅ 4-piece set includes 4 SBR12UU bearing blocks
✅ Housing: aluminum alloy; inner bearing steel for durability
✅ Bore size: 12 mm; compatible with SBR12 rails
✅ Suitable for CNC routers, mills, lathes, and automated equipment

💡 A cosa serve un cuscinetto a blocchetto nei linear motion ?

A handy explainer: they hold and guide a shaft along rails with minimal friction, keeping alignment in place.

- supports shafts on 12mm rails for precise motion - helps keep shaft alignment in CNC routers, mills and lathes - used with SBR12 rails in automated setups ✝️