Shipenophy Bearings, MR63ZZ Miniature Ball Bearing 10Pcs Double shielded Bearings Sealed Steel Lubricant Saving 3x6x2.5mm Noiseless for 3D Printer Model Making

【Premium Material】: Made of high-quality bearing steel, these miniature ball bearings are anti-rust, wear-resistant. The polished glossy appearance ensures high efficiency and low noise during 【Double Shielded】: The mental sealed/shielded design protects the bearings from dust, water, and foreign matter, ensuring a clean and smooth working process. The double seal also helps to avoid contaminants entering and save lubricant. 【Multifunctional】: This package includes 10 pieces of miniature steel bearings, suitable for various projects. Whether you need spares or replacements, these bearings are perfect for printers, quadcopters, ship models, and more. 【Suitable Size】: Designed with a compact size, these miniature bearings are ideal for small hobby projects with a 3mm shaft/rod. With a 3mm inner diameter, 6mm outer diameter, and 2.5mm thickness, they are versatile for different applications. 【Deep Notch】: The metal sealed ball bearings feature a deep notch geometry, enabling them to handle high speeds and support both radial and axial loads.