2pcs LM8LUU 8mm Linear Bush Ball Bearing For Reprap Prusa 3D Printer/CNC/Robotic\

Description:

• 100% brand new and high quality
• LM8UU 8mm Linear Ball Bearing Bush Bushing
• Linear bearing ball cage, hardened coat of both ends ring
• Made of carbon chromium bearing steel, safe and reliable
• Ball in the cage loop to run a smooth ball guide surface to ensure stability even if high-speed