4 Pieces SK20 Aluminum Linear Rail Shaft Supports And 20mm Motion Guides For CNC Machines And 3D Printers, High Precision, Lightweight Aluminum, Corrosion-Resistant, Easy To Install, Quick Alignment For Smooth Movement

4-Piece SK20 Aluminum Linear Rail Guides for Precision
✔️ 4 pcs set, SK20, 20mm diameter shaft, 7mm mounting holes, 48mm spacing

These SK20 aluminum shaft supports and 20mm motion guides are built for linear motion systems in CNC machines and 3D printers. Lightweight and corrosion-resistant, they enable quick alignment and smooth operation.

✅ Model: SK20
✅ Shaft diameter: 20mm / 0.79inch
✅ Mounting hole diameter: 7mm / 0.28inch
✅ Mounting hole distance: 48mm / 1.89inch
✅ Pack size: 4 pieces

💡 What is a pillow block bearing used for?

Pillow block bearings are handy for supporting rotating shafts in machines and equipment, providing stable alignment and easier maintenance. - They offer straightforward mounting and quick replacement - Useful in CNC machines, 3D printers, conveyors, and automation setups - They reduce shaft play and improve linear guide life - They pair with sealed ball bearings or ceramic options in some linear slide units