Sturdy and Durable : These miniature bearings are made of high quality bearing steel for low noise, more wear-resistant, with waterproof and rust-proof function, long service life - roulement a bille

Size : Deep groove ball bearing have a 8mm inner diameter, a 16mm outer diameter, and a 5mm thickness. Ball bearings of this size are ideal for precision work and applications that require a lot of functional mechanical parts. - roulement 16x8x5

Professional Design : These double shielded bearing has double shield to avoid contaminants entering and save lubricant - roulement a bille

Widely Use : These are great for 8mm shaft/rod projects such as mechanical equipment, electrical instruments, toys, doors and windows, hand spinner, cooling fan - bearings 8mm