{"title":"16mm Height Metal Caster Bearing Wheel","handle":"16mm-height-metal-caster-bearing-wheel","url":"/products/16mm-height-metal-caster-bearing-wheel","description":"A compact steel ball caster that provides smooth, omnidirectional movement for small robots and wheeled projects. With a 16mm overall height, it's well-suited as a third support point for two-wheeled robot chassis.\n\nEasy to mount with two screw holes spaced approximately 10.5mm apart — compatible with 4-40 or M3 screws (not included). The steel ball bearing rolls fluidly in all directions, making it an excellent low-friction pivot point.\n\nKey Features\n\n\nSmooth Steel Ball Bearing – Fluid omnidirectional rolling motion\n\nCompact 16mm Height – Suitable for small to medium robot chassis\n\nDual Mounting Holes – Attach with 4-40 or M3 screws to any chassis material\n\nLightweight – Only 8g total weight\n\nDurable Metal Construction – Built for long-lasting use\n\n\nSpecifications\n\n\nBall Diameter – 12mm\n\nOverall Height – 16mm\n\nFixed Hole Diameter – 4mm (below bearing wheel)\n\nMounting Hole Diameter – 4mm\n\nMounting Hole Distance – Approximately 10.5mm\n\nWeight – 8g\n\n\nIdeal For\n\nTwo-wheeled robot chassis as a rear support caster\nSmall robotics projects and line-following robots\nAny project needing a low-profile omnidirectional wheel\n\n\nPackage Contents\n\n1× 16mm Metal Caster Bearing Wheel\n\n\n\nNote: Mounting screws are not included. Use 4-40 or M3 screws to attach. Need more clearance? Check out the 20mm Height Metal Caster Bearing Wheel for taller chassis.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":5912,"title":"Default Title","sku":"AF-3949","price":3.8,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":63,"option1":"Default Title"}]}