Akozon Linear Motion Bearing, 10pcs Ball Bearings LM12UU 12mm Bearing Bushing for Rod on 3D Printer, CNC, and Other Applications

[Smooth and Silent - This set includes 10pcs of high-quality linear ball bearings, designed for smooth and silent linear motion. Made of high-quality bearing steel, these bearings ensure low noise and a long service life, providing performance for your projects. [Efficient Double Sealed Design] - These linear motion bearings feature a double sealed design, effectively preventing contaminants from entering and extending the lifespan of the bearings. The sealed design also helps to save lubricant, reducing maintenance requirements for your convenience. [Size] - With a 12mm inner diameter, 21mm outer diameter, and 30mm height, these ball bearings are suitable for various applications. Whether you're working on a 3D printer, CNC machine, or other projects that require linear motion, these bearings are compatible and [Perfect for 12mm Shaft/Rod Projects] - These linear ball bearings are specifically designed for small hobby 12mm shaft/rod projects. Whether you're a hobbyist or a professional, these bearings are ideal for use in 3D printers, engraving machines, and other similar projects. Experience smooth and precise linear motion with these high-quality bearings. [Value Pack for Multiple Projects] - This set includes a total of 10 pieces of linear ball bearings, providing you with ample supply for multiple projects. Whether you're working on one large project or multiple smaller ones, these bearings offer excellent value and versatility.