Specification Brand : CHICAGO DIE CAST PULLEYS BulletPoint1 : Comes with Set Screw BulletPoint2 : The Original Die Cast Pulley BulletPoint3 : The Choice of O.E.M.'s BulletPoint4 : Remove the pulley first, install the belt on the pulley, and then install the pulley on the shaft to fix it. BulletPoint5 : Tips: Please check the timing pulley specifications before ordering. ExternallyAssignedProductIdentifier1 : 0747086214395 ExternallyAssignedProductIdentifier2 : 747086214395 ItemName : 3" x 1/2" Bore, No Keyway, A-Groove, Chicago Die Cast Pulley. 100% Made in The USA! ItemPackageDimensions_Height : 4.25 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 1.25 inches ItemPackageQuantity : 1 ItemTypeKeyword : v-belt-pulleys Manufacturer : Chicago Die Casting Material : Zinc ModelNumber : Zinc Die Cast NumberOfItems : 1 PartNumber : 300A5 ProductDescription : 3" A-Groove Pulley 1/2" shaft no keyway ProductSiteLaunchDate : 2023-09-01T15:19:24.352Z Size : 3 Style : 20 Toothless Bore 3mm SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 24101600