Pack of 50 precision G10 chrome steel balls, 15 mm diameter. Made from chrome steel, these balls are suitable for 15 mm bearing applications and other rolling-element uses. Key benefits - Precise 15 mm diameter and high roundness for smooth, reliable bearing performance - Hard, wear-resistant chrome steel construction for long service life in demanding loads - Consistent size supports even load distribution in assemblies - Compatible with standard 15 mm bearing setups (housings, cages, and retainers) - Versatile for hobby projects, small automation, RC models, and educational demonstrations Typical applications - Small bearing assemblies in motors, robotics, and RC devices - DIY projects and prototyping that require a standard 15 mm bearing ball - Educational demonstrations of rolling contact and load distribution Specifications - Quantity: 50 pieces - Material: Chrome steel (G10) - Diameter: 15 mm This product provides a reliable, ready-to-use solution for anyone needing standard-size bearing balls with consistent quality and performance.