6x13x6mm Ball Bearing - Shielded - MiniatureBall Bearings 6 mmx 13 mm x 6 mm One Bearing 1 Ball Bearing the inner diameter is 6, outer diameter is 13 and the width is 6, a standard bearing size commonly used in a variety of industrial and commercial applications, Made from high strength chrome steel for durability and performance, Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come pre lubricated with grease for smooth operation. Dimensions: 6*13*6