Feature:1. 14mm Center Diameter: The center hole diameter is 14mm, featuring a 16mm diameter and 1mm deep concavity for installing flanged spherical bearings. 2. Countersunk Hole: Four countersunk holes in a grid pattern prevent screw head protrusion and ensure a flush installation. 3. High Reliability: Ball or thrust bearings can be mounted against the part's surface to fix two parallel parts or flange bearings. 4. High Hardness: Suitable for use with 24mmT slot rail square beams; the mounting bracket is 6mm thick for high strength. 5. Wide Application: This premium aluminum bracket is suitable for robots and mechanical models as an accessory. Specification: Item Type: Servo Brackets Material: Aluminum Surface Treatment: Anodic Oxidation Treatment Central Hole Diameter: Approx. 14mm / 0.55in Mounting Bracket Size: Approx. 40 x 40 x 6mm / 1.57 x 1.57 x 0.24in. Package List: 2 x Servo Brackets Note: Please match the size before use