Durable Construction: Constructed With High-Strength Carbon Steel, These Bearings Are Built To Withstand The Demands Of Skateboarding And Roller Skating. Single Row Deep Groove Design: Offers Optimal Load Support And Smooth Rotation, Perfect For High-Intensity Activities. Smooth Edges, No Burrs: Ensures A Noise-Free Ride, Making Your Skateboarding Or Roller Skating Experience More Enjoyable. High Limit Speed: Designed To Handle Fast Movements Without Compromising On Safety Or Performance. High Temperature Resistance: Can Operate Efficiently In Various Weather Conditions, Ensuring Consistent Performance Year-Round. Elevate your skateboarding and roller skating experience with our precision-engineered ball bearings. The durable construction and single row deep groove design ensure stability and smooth operation, ideal for adrenaline-fueled adventures. With smooth edges and high limit speeds, these bearings deliver a quiet and exhilarating ride, whether you're cruising through city streets or mastering new tricks at the skate park. Experience the freedom of movement and the thrill of speed with our top-tier bearings.