Specification Brand : uxcell BulletPoint1 : 6801-2RS (I.D.=12mm, O.D.=21mm, Thickness=5mm) BulletPoint2 : 6801rs bearings are sealed on BOTH SIDES to keep lubricant in BulletPoint3 : Chromium Steel long-life bearings, smooth and low noise BulletPoint4 : ABEC Tolerance 1 (P0), Z1 Noise Level for most general use BulletPoint5 : Static load rating of 1000 newtons and dynamic load rating of 1900 newtons Color : Blue CustomerPackageType : Standard Packaging FinishType : Raw steel ItemDisplayDimensions_Diameter : 80 millimeters ItemName : uxcell 6801-2RS Deep Groove Ball Bearing 12x21x5mm Double Sealed ABEC-1 Bearings 5-Pack ItemPackageDimensions_Height : 13.7922 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 10.1092 centimeters ItemPackageQuantity : 1 ItemShape : sphere ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : uxcell Material : Steel ModelNumber : a19041900ux0170 NumberOfItems : 1 PartNumber : a19041900ux0170 ProductDescription : A 3 inch 80mm Raw steel hollow ball finial used for DIY welding projects. These are NOT a plated and polished finish. They are raw steel and must be painted or clear coated to avoid oxidation or rust. ProductSiteLaunchDate : 2019-06-27T02:00:31.513Z Size : 12x21x5mm SpecificationMet : Ul SupplierDeclaredDgHzRegulation : not_applicable