The 6409 is a Standard Open Deep Groove Ball Bearing from the heavy-duty 64 series, engineered to accommodate substantial radial loads and moderate axial loads in both directions for larger industrial equipment. Its open configuration provides maximum design flexibility, enabling seamless integration with custom sealing arrangements or existing lubrication systems. With a 45 mm bore, 120 mm outer diameter, and 29 mm width, this bearing is commonly specified in larger electric motors, industrial pumps, gearboxes, and processing machinery where reliable performance under increased loads is essential.