5pcs PU Coated Bearing Roller 6x22x6 PU60622-6 Polyurethane Bearing 6*22*6 Low Noise Friction Pulley OD 22mm Rubber WheelHome Improvement > Hardware11,27 USD (≈ 10,09 €)15,87 USDDisponibileSold by AliExpress WWVai al negozio