Enhance your linear motion projects with this set of high-quality U624ZZ Bearings, crafted from durable carbon steel to ensure long-lasting performance and reliability. Designed with precision, these bearings feature a 1.8mm deep U groove that rides smoothly on rails or tracks, making them ideal for various linear motion systems and mechanical applications. Each package includes 10 bearings, providing excellent value and versatility for multiple projects. Key Features: · Premium Carbon Steel Construction: Manufactured from high-quality carbon steel for superior strength, wear resistance, and extended service life. · Double Shielded Design: Equipped with double shields to prevent contaminants from entering the bearing while retaining lubricant, enhancing durability and reducing maintenance. · Precise U Groove Profile: The 1.8mm deep U groove ensures stable and smooth operation on rails or tracks, supporting accurate linear motion. · Versatile Application: Suitable for a wide range of linear motion systems, robotics, automation equipment, and DIY mechanical projects. · Convenient Pack of 10: Comes with 10 bearings to accommodate multiple uses and spare parts for ongoing projects. Specifications: · Material: Carbon Steel · Model: U624ZZ · Inner Diameter: 4mm (0.15") · Outer Diameter: 13mm (0.51") · Height: 7mm (0.27") · U Groove Width: 5.2mm (0.2") · U Groove Depth: 1.8mm (0.07") · Quantity: 10pcs Package Includes: · 10 x U624ZZ Bearings These carbon steel U groove bearings deliver reliable performance and smooth linear motion, making them an essential component for engineers, hobbyists, and professionals working on precision machinery and automation systems. Please note that the product may be shipped with either the new or old type randomly.