4Pcs SCS8UU 8mm 0.31 Inch Diameter Linear Motion Ball Bearing Slide Bushing For 3D Printer DIY CNC Machine Aluminum High Precision Low Friction Smooth Movement LM8UU Compatible

This 4-piece set of SCS8UU aluminum block linear bearings provides smooth linear motion for X-Y axes on 3D printers and small CNC machines. Compatible with LM8UU style linear bearings, these blocks are designed for low-friction operation and precise positioning.

✅ Inner diameter: 8 mm (0.31 in) for 8 mm shafts (LM8UU).
✅ Material: Aluminum block with C45 steel races for durability.
✅ Package includes: 4 pcs SCS8UU aluminum blocks.
✅ Application: Ideal for 3D printers, DIY CNC, and precision measurement systems (linear bearings).

💡 What is an 8mm linear bearing block used for in DIY CNC machines? This handy piece supports smooth linear motion and accurate positioning on axis rails. - Handy for printers and small mills - Works with 8 mm shafts and LM8UU compatible blocks - Reduces wear and vibration for longer life