Dimensions: 75 x 50 x 30 mm (L*W*H) 2. High-quality material: The main body of the furniture ball is made of galvanized carbon steel, which has the characteristics of scratch resistance, corrosion resistance, rust resistance and not easy to damage. 3. Comfortable and practical: intelligent and trouble-free; the sphere can be flexibly rotated 360 degrees, and the use is smooth, moving the goods faster and saving time. A single caster has a maximum load capacity of 15kg and is suitable for most objects. 4. No noise: The transmission unit of the ball bearing is polished during the production process, the surface is smooth, and there will be no great noise during transportation. The entire ball transfer rolls smoothly and quietly through the drive of theball bearing. 5. Wide range of applications: Ball bearings mainly help people to carry goods, not only in industries such as sofas, showcases, trolleys, shelves, scooters, cabinets and kitchen appliances at home, but also in transmission systems, power systems, processingsystems, packaging machines and auxiliary machine.