2-20PCS LM13UU LM13LUU 13mm LM13 UU LUU ABEC-9 Precision Linear Motion Bushing Double Seal Bearing for CNC 3D Printer AutomationHome Improvement > Hardware7,71 USD (≈ 6,34 CHF)8,82 USDDisponibileSold by AliExpress WWVai al negozio