10pcs Axle Bearing Miniature 685ZZ Ball Bearings Quiet Carbon Steel Strong Load Capability Replacement 5x11x5mm Bike Accessories Feature: 1. Strong Load Capability: Rolling features are used to preserve the spacing between moving parts to reduce rotational friction and support radial and axial loads. 2. Material: Made of carbon steel for durability and resistance to deformation under heavy loads, and shielded to stop the access of lubricants and impurities 3. Fine Workmanship: Excellent material, high-quality workmanship, excessive precision and lengthy carrier life. 4. Quiet: Low friction, low noise or vibration, tough to deform. 5. Wide Applications: Suitable for a variety of purposes, choose in step with needsSpecification: Model Number: Bearings Material: Carbon metal Size: Aperture: 5mm/0.19in Outer diameter: 11mm/0.43in Thickness: 5mm/0.19in Note: Due to different display screen and lightweight effect, the actual color of the item is probably barely varied from the color showed on the pictures. Thank you! Please enable 1-2cm measuring deviation because of handbook measurement. 10 x Bearing