General description Miniature ball bearings are available in a compact size, featuring an inner diameter of 8mm, an outer diameter of 22mm, and a thickness of 7mm. These ball bearings are ideal for precision work and applications that require numerous functional mechanical parts, such as mechanical equipment and electrical instruments, as well as doors and windows. Made from high-quality zirconium dioxide ceramic, these bearings ensure low noise and a long service life. Technical specifications Inner diameter: 8mm Outer diameter: 22mm Thickness: 7mm Material: Zirconium dioxide ceramic Color: White Package Contents 16 x Bearings Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.