4 Pack Aluminum Slide Block For 12mm SBR12 Linear Motion Guide Rail Bearing Block Kit For CNC Machines, Routers, Mills, And DIY Projects, Pro Grade, Durable Aluminum Alloy, Smooth, Long Lasting Performance

4 Pack Aluminum Slide Block for 12mm SBR12 Rails
✔️ Pro grade aluminum blocks for 12mm SBR12 rails, 4 pack

These blocks are precision aluminum bearing blocks designed for 12mm SBR12 linear guide rails. They’re typically used in CNC machines, routers, mills, and DIY projects to deliver smooth, accurate motion and reliable support.

✅ Material: aluminum alloy body with bearing steel inserts
✅ Fitment: 12mm SBR12 linear guide rails
✅ Pack: 4 pieces per set
✅ Applications: CNC machines, routers, mills, and DIY motion systems

💡 What is a pillow block bearing used for in rail systems? This handy piece keeps movement aligned and supports loads on linear rails. - Provides guided motion for precise positioning - Reduces friction for smoother operation - Easy to install on standard 12mm rails