Specification Brand : Aopin BulletPoint1 : (Size) Ball transfer rollers diameter: 15.875mm / 5 / 8 "; installation hole distance: 40mm / 1.57"; height: 21mm / 0.83 "; total size: 50mmx21mmx32mm; BulletPoint2 : (Application) Roller Ball Transfer is mainly used for moving objects in all directions of the mobile platform, overturning and reversing; BulletPoint3 : (Features) alloy steel ball with large bearing capacity and long service life; BulletPoint4 : (Note) the steel ball shall be applied upward, and it shall not be used downward like a caster; BulletPoint5 : No pollution and no release of harmful substances ExternallyAssignedProductIdentifier : 9871290280721 ExternallyAssignedProductIdentifier1 : 759838147448 ExternallyAssignedProductIdentifier2 : 0759838147448 ItemName : Aopin 5/8 Inch Roller Ball Transfer Bearings for Furniture Wheelchair Equipment Transmission System, Flange 4 Pcs ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 2.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ball-transfers Manufacturer : Aopin Hardware products Material : Steel ModelNumber : 15A NumberOfItems : 4 PartNumber : 15A ProductDescription : (1) steel ball diameter: 15.875mm / 5 / 8 "; installation hole distance: 40mm / 1.57"; height: 21mm / 0.83 "; total size: 50mmx21mmx32mm; (2) it is mainly used for moving objects in all directions of the mobile platform, overturning and reversing; (3) alloy steel ball with large bearing capacity and long service life; (4) the steel ball shall be applied upward, and it shall not be used downward like a caster; ProductSiteLaunchDate : 2020-07-24T12:49:47.444Z Size : 8mm304 material 0.5kg235 grain SpecificationMet : Ra SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31162702