50pcs Miniature Ball Bearings 2x5x2.5 3x6x2.5 5x10x4 6x12x4 9x20x6 Mm Bore 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm Sealed Small BearingHome Improvement > Hardware11,52 USD (≈ 10,31 €)22,59 USDDisponibileSold by AliExpress WWVai al negozio