6pcs LM8LUU Long Linear Motion Ball Bearings for 8mm Rod 3D Printer CNC Parts

These liner-motion bearings are made of high quality bearing steel for low noise and long service life. They are double sealed to avoid contaminants entering and save lubricant. Bearings have a 8mm inner diameter, a 15mm outer diameter, and a 45mm length. These are great for small hobby 8mm shaft/rod projects such as 3D printer, engraving machine. There comes total 6 pieces bearings which you may use for many different projects. Specifications: Type: LM8LUU Material: Bearing steel Inner Diameter: 8mm / 0.31" Outer Diameter: 15mm / 0.59" Length: 45mm / 1.77" Quantity: 6pcs Package Includes: 6 x Bearings