Specification Brand : VXB BulletPoint : Pre greased and permanently sealed bearings. BulletPoint1 : Accommodates both radial and axial loads BulletPoint2 : Super finished raceways BulletPoint3 : Inner and Outer rings hardened for extended life and wear protection BulletPoint4 : Double shielded to help with contamination while improving lubrication retention BulletPoint5 : Filled with Polyrex EM Grease Color : Stainless-Steel ExternallyAssignedProductIdentifier1 : 605790042515 ExternallyAssignedProductIdentifier2 : 0605790042515 ExternallyAssignedProductIdentifier3 : 00605790042515 IncludedComponents : Wide Inner Ring Brg ItemDisplayWeight : 0.2 pounds ItemName : 8 Skateboard Extended Bearing with Built-in Spacers Ball Bearings ItemPackageDimensions_Height : 14.224 centimeters ItemPackageDimensions_Length : 4.064 centimeters ItemPackageDimensions_Width : 7.112 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : deep-groove-ball-bearings Manufacturer : VXB Material : Alloy Steel ModelNumber : 6001 ZZC3 GXM KOY NumberOfItems : 1 PackageLevel : unit PartNumber : Kit14048 ProductDescription : VXB Brand, Set of 8 Skateboard Bearings With Extended inner race, 8mm x 22mm x 7mm inner race width=13mm No Need for Spacers 608RS Skateboard Bearings With Extended inner race, that will eliminate the use of spacers,you will get more rigid/smooth wheel set when you use these bearings,these bearing is sealed on one side (the outer side) with rubber seal,Bearings are made of Chrome Steel,each bearing have One Rubber Seal to protect the bearing fromdust or any possible contamination.Item: 608RS Extended Skateboard BearingsType: Extended Inner Ring Skateboard BearingsMaterial: Chrome SteelClosures: One side Rubber SealQuantity: Set of 8 BearingSize: 8mm x 22mm x 7mm/13mmInner Diameter: 8mmOuter Diameter: 22mminner race Width: 13mmouter ring width: 7mm ProductSiteLaunchDate : 2012-02-15T18:03:13.405Z SpecificationMet : Iso SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31171500