These 608 steel ball bearings are a reliable and versatile solution for a wide range of mechanical applications. Each bearing measures 8mm bore, 22mm outer diameter, and 7mm in width (0.87 x 0.87 x 0.28 inches), conforming to the standard 608 bearing size. Crafted from durable alloy steel, these bearings are built to deliver smooth, quiet, and long-lasting performance under regular use. The open design is compatible with oil lubrication, making maintenance straightforward and convenient. This set includes 10 bearings, providing excellent value whether you need replacements or components for new builds. These bearings are well-suited for fidget spinners, DIY projects, robotics, skateboards, and various other mechanical applications requiring precise rotational movement. With a total weight of just 0.22 pounds for the full set, they are compact and easy to handle. Whether you are a hobbyist or working on a professional mechanical project, these high-precision ball bearings are a dependable choice to keep your equipment running smoothly.