2pc LM8 LM8UU LM3UU LM10UU LM16UU LM6UU LM12UU LM20 Linear Ball Bearings 8mm Bore 15mm OD 24mm Length For CNC Machine 3D PrinterHome Improvement > Hardware$2.85 (≈ DKK 19.07)$3.19In stockSold by AliExpress WWTo Store