Welcome to our factory! We specialize in manufacturing high-speed CNC machine bearings, specifically the 689 deep groove ball bearing with the product name 689ZZ. These bearings are designed to provide smooth and efficient performance for various applications, including toy car wheel bearings. With precise craftsmanship and top-quality materials, our bearings are built to withstand high speeds and ensure durability. Trust in our expertise as a factory to deliver reliable and long-lasting products that meet your requirements.