Engineered for applications where absolute minimum rotational resistance is the primary objective, the 676 Open is a premium single-row miniature ball bearing. Featuring an unshielded (open) architecture, this 6x10x3 mm component offers zero contact friction from seals or shields, making it the ultimate choice for ultra-high-speed operations. Weighing just 1 gram, this micro-bearing is designed to be housed within sealed gearboxes, cleanrooms, or systems utilizing external oil-bath lubrication, ensuring peak mechanical efficiency without parasitic drag.