The ServoCity 6mm ID Non-Flanged Ball Bearing (16mm OD, 4mm Thickness) - 2 Pack is designed for seamless integration in mechanical assemblies, particularly those adhering to an 'on grid' configuration. With a 16mm outer diameter, these bearings are suitable for use as rollers on components with dimensions divisible by eight. The 6mm inner diameter ensures compatibility with various shafts and spacers, facilitating versatile applications in engineering projects. Constructed from high-carbon steel, these bearings offer durability and reliability in demanding environments.