Features: These bearings are made of high quality steel for low noise and long service life. They are rubber sealed to avoid contaminants entering and save lubricant. Bearings have a 10mm inner diameter, a 26mm outer diameter, and a 8mm thickness. These are great for small hobby 10mm shaft/rod projects. There comes total 10 pieces miniature bearings which you may use for many different projects. Specification: Model: 6000-2RS Material: Bearing steel Type: Deep-groove high-speed Rolling Element: Single row Inner Diameter: 10mm / 3.9in Outer Diameter: 26mm / 10.2in Thickness: 8mm / 0.3in Quantity: 10pcs Package Weight: 297g Package List: 10 x Bearings 1These bearings are made of high quality steel for low noise and long service life 2They are rubber sealed to avoid contaminants entering and save lubricant 3Bearings have a 10mm inner diameter, a 26mm outer diameter, and a 8mm thickness 4These are great for small hobby 10mm shaft/rod projects 5There comes total 10 pieces miniature bearings which you may use for many different projects