1These miniature bearings are made of high quality bearing steel for low noise and long service life 2They are shielded to avoid contaminants entering and save lubricant 3Bearings have a 8mm inner diameter, a 22mm outer diameter, a 7mm thickness and a 25mm flange 4These are great for 8mm shaft/rod projects such as mechanical equipment, electrical instruments, toys, doors and windows 5There comes total 10 pieces miniature bearings which you may use for many different projectsDescription: _x000D_Miniature flanged ball bearings are available ball bearings of small size. These miniature ball bearings have a 8mm inner diameter, a 22mm outer diameter, a 7mm thickness and a 25mm flange. Ball bearings of this size are ideal for precision work and applications that require a lot of functional mechanical parts, such as mechanical equipment, electrical instruments, toys, doors and windows. _x000D__x000D__x000D_Features: _x000D_These miniature bearings are made of high quality bearing steel for low noise and long service life. _x000D_They are shielded to avoid contaminants entering and save lubricant. _x000D_Bearings have a 8mm inner diameter, a 22mm outer diameter, a 7mm thickness and a 25mm flange. _x000D_These are great for 8mm shaft/rod projects such as mechanical equipment, electrical instruments, toys, doors and windows._x000D__x000D_There comes total 10 pieces miniature bearings which you may use for many different projects. _x000D__x000D__x000D_Specifications: _x000D_Material: Bearing steel _x000D_Inner Diameter: 8mm / 0.31"_x000D__x000D_Outer Diameter: 22mm / 0.86" _x000D_Thickness: 7mm / 0.27" _x000D_Flange Diameter: 25mm / 0.98"_x000D__x000D_Quantity: 10pcs _x000D__x000D__x000D_Package Includes: _x000D_10 x Bearings