Linear Ball Bearings, 10pcs LM12UU 12mm Linear Motion Ball Bearing Bushing for 3D Printer CNC Rod Parts

• Premium Bearing Steel: These linear motion ball bearings are made of high quality bearing steel for low noise, smooth moving, low friction, high rigidity and long life
• Specification: Model: LM12UU, Bearings have a 12mm inner diameter, a 20mm outer diameter, and a 30mm height
• Hardened Coating Ring at Both Ends: These linear motion bearings are double sealed to avoid contaminants entering and save lubricant
• Usage: These are great for small hobby 12mm shaft/rod projects such as 3D printer, engraving machine
• LM12UU Linear Ball Bearings: There comes total 10 pieces linear ball bearing bushings which you may use it cooperated with linear motion products to ensure excellent sports performance under high load or long stroke occasions

Features: - These linear motion bearings are made of high quality bearing steel. - These linear ball bearing bushings are double sealed to avoid contaminants entering and save lubricant. - LM12UU Bearings have a 12mm inner diameter, a 20mm outer diameter, and a 30mm height. - These are great for small hobby 12mm shaft/rod projects such as 3D printer, engraving machine. - There comes total 10 pieces bearings which you may use for many different projects. Specifications: Type: LM12UU Material: Bearing steel Inner Diameter: 12mm / 0.47" Outer Diameter: 20mm / 0.78" Height: 30mm / 1.18" Quantity: 10pcs Package Includes: 10 x Bearings