10PCs LM12UU 12mm Linear 20mm Outer Diameter Motion Ball Bearing Bushing For 12mm Rod 3D Printer CNC Parts
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10PCs LM12UU 12mm Linear 20mm Outer Diameter Motion Ball Bearing Bushing For 12mm Rod 3D Printer CNC Parts

Key item features

  • These liner-motion bearings are made of bearing steel for low noise and long service life
  • They are double sealed to avoid contaminants entering and save lubricant
  • Bearings have a 12mm inner diameter, a 21mm 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
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