Elevate your skating experience with these precision-engineered 623zz deep groove ball bearings. Measuring 3x10x4mm, these bearings are specifically designed for inline skates, skateboards, and scooters. Crafted from high-quality carbon steel, they deliver exceptional durability and consistent performance throughout their lifespan. The deep groove design ensures superior stability and load capacity, making them ideal for high-speed movements and dynamic maneuvers. These bearings stand out for their whisper-quiet operation, providing a smooth and silent ride that enhances your skating experience. Each bearing is manufactured to exact specifications, offering reliable performance in various skating applications. Perfect for both recreational and performance use, these versatile bearings are compatible with a wide range of skating equipment. The 10-pack ensures you have plenty of replacements on hand for maintenance and upgrades. Whether you're cruising through the park or performing technical tricks, these bearings deliver the reliability and smoothness you need for an optimal riding experience.