693ZZ Cuscinetti a sfera in miniatura 3*8*4 mm piccoli cuscinetti a sfera doppia schermatura 10 pezzi
They are double shielded to avoid contaminants entering and save lubricant. Quantity: 10pcs. These miniature bearings are made of high quality bearing steel for low noise and long service life. Thickness: 4mm / 0.15".