SCS6UU Linear Ball Bearing Aluminum Slide Block, Set Of 4, 6mm Inner Diameter, 25mm Length, 4 Rows Of Steel Balls, Ideal For CNC And 3D Printer Linear Rails, Ready To Roll For Precise DIY Projects

Compact 6mm ID aluminum linear bearing block, 4-pack
✔️ Set of 4, 6mm ID, 25mm length, 4-row steel ball bearing

These compact linear bearings slide smoothly along guide rails or cylindrical shafts, making them perfect for CNC builds and DIY 3D printers. They’re commonly used in motion modules, linear slides, and other precision transport systems where tight alignment and reliable travel matter.

✅ 6 mm ID (0.24"), 25 mm long (0.98"), 4-pack for quick swaps
✅ Aluminum outer shell, pre-lubricated and sealed to keep contaminants out
✅ 4 rows of bearing steel balls form a tight, low-friction closed loop
✅ Dynamic load rating 206 N, static 265 N for sturdy, steady motion

💡 What is a linear motion bearing block used for in DIY CNC and 3D printer setups? This handy component helps you convert straight lines into smooth, controlled motion. - High-precision alignment along shafts or guide rails for reliable X/Y/Z axis motion - Easy interchangeability and maintenance due to standardized design - Sealed aluminum shell with pre-lubricated bearings for clean operation