LANTRO JS 10pcs MR115-2RS Ball Small Bearings, Steel Double-shielded Miniature Ball Bearings for Skateboards Inline Skates and Scooters 3D Printer 5 x 11 x 4mm by Amazon.co.uk

• \u2705\u3010Quantity & Size\u3011 MR115-2RS bearing steel,The dimensions of the bearing are: 5mm inner diameter, 11mm outer diameter and 4mm wide; total of 10 bearings

• \u2705\u3010Double Shielded Design\u3011 Double shielded bearing, special no contact dual rubber seals to conceal out dirt while providing friction free performance

• \u2705\u3010Wide Used\u3011 These ball bearings are perfect for accuracy work and applications that require a lot of functional mechanical parts in a small space, such as 3D printer, quadcopter or model

• \u2705\u3010Sturdy Material\u3011 These skateboard bearings are made of bearing steel material for low noise, it has strong bearing capacity and is not easy to be deformed

• \u2705\u3010Easy to use\u3011The ball bearings are easy to install and replace and has less friction, higher speeds