Specification Brand : Vikye BulletPoint1 : These miniature bearings are made of high quality bearing steel for low noise and long service life. BulletPoint2 : They are double shielded to avoid contaminants entering and save lubricant. BulletPoint3 : Bearings have 8mm inner diameter, 19mm outer diameter and 6mm thickness. BulletPoint4 : These are great for small hobby 8mm shaft/rod projects. BulletPoint5 : There comes total 10 pieces miniature bearings which you may use for many different projects. ExternallyAssignedProductIdentifier1 : 0787015746580 ExternallyAssignedProductIdentifier2 : 787015746580 ItemName : 10pcs 698ZZ Bearings, Double-Shielded Miniature Steel Ball Bearings Use for Many Different Projects 8x19x6 mm ItemPackageDimensions_Height : 17 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : Vikye Material : steel ModelNumber : a19092400ux0673 NumberOfItems : 20 PartNumber : Vikyef7hnqad1xg ProductDescription : Features: These miniature bearings are made of high quality bearing steel for low noise and long service life. They are double shielded to avoid contaminants entering and save lubricant. Bearings have 8mm inner diameter, 19mm outer diameter and 6mm thickness. These are great for small hobby 8mm shaft/rod projects. There comes total 10 pieces miniature bearings which you may use for many different projects.