720 Pcs 9 Sizes 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm Metric Precision Steel Bearing Ball Assortment Kit, Assorted Loose Bicycle Bearing Balls

🌴 Package Included: In this kit, you will receive 720 pieces of 9 precision solid steel ball bearings in various sizes. This includes: 2mm: 100 pieces; 2.5mm: 100 pieces; 3mm: 100 pieces; 3.5mm: 80 pieces; 4mm: 80 pieces; 4.5mm: 80 pieces; 5mm: 60 pieces; 5.5mm: 60 pieces; 6mm: 60 pieces. These ball bearings are suitable for your everyday needs and can meet various styles and custom requirements. 🌴 Superior Quality: The bearing balls are made of high-quality steel, ensuring durability and long-lasting performance, reducing friction and wear. These spheres offer excellent fatigue resistance and high hardness for industrial applications, making them valuable components in various industries. Suitable for high-speed and high-load operations. 🌴 Polished Surface: The surface of the metal ball is highly polished, rounded, and smooth, making it easy to shape without cracking. With its smooth surface finish and precise dimensions, it provides low friction, ensuring smooth and efficient rotation. It improves operational efficiency by reducing surface resistance. If maintenance is required, a small amount of lubricant can be applied. This saves you time and effort. 🌴 9 Size Options: You'll appreciate the variety of steel balls in different sizes. We have prepared 9 sizes of steel balls for you to choose from: 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, and 6mm. Please pay attention to the size before purchasing. This wide range of sizes can meet most of your rolling needs in daily life. 🌴 Wide Application: Whether you need them in the automotive, electronics, or petrochemical industries, these bearing balls are designed to excel in a variety of applications. Suitable for precision mechanical bearings (such as those in car wheels, machine tool spindles, and motor bearings), bearing guides, high-load transmission components, etc.