10pcs Ceramic Bearings 3x8x4 S693C 2OS Stainless Steel Hybrid Ceramic Bearings 3*8*4 Reel Bearings SMR693 S693 2RS RC BearingsHome Improvement > Hardware20,00 USD (≈ 17,90 €)25,43 USDDisponibileSold by AliExpress WWVai al negozio