Specification Brand : Chicago Die Casting BulletPoint1 : 7.75" Outside Diameter , Fits 7/8" Shaft Diameter. 3/16 Keyway Is Standard For 7/8" Shaft, 56HZ, 145T, 182Y Frame Motors. Keyway Not Included BulletPoint2 : This 2 Piece Cast Iron Single Groove Pulley Takes 2 Belts And Includes The " H " Style Tapered Bushing. BulletPoint3 : Groove Will Fit The Following V-belt Type (5/8" Top Width 5l / 5lk / B / Bk / Bx ). This Pulley Will Also Fit 1/2" Top Width Belts ( A / 4l / Ak / 4lk / Ax ) However The Belt Will Sit 1/4" To 1/2" Deeper In The Grooves On Average. BulletPoint4 : The Tapered Bushing Locks onto Your Motor Shaft as You Screw Down the Lock Screws, Resulting in a Super Tight Industrial Tapered Lock. BulletPoint5 : Motor Pulley Is Made of Cast Iron, The H Bushing Is Made from C45 Steel with Black Oxide Finish. ExternallyAssignedProductIdentifier1 : 0096158120066 ExternallyAssignedProductIdentifier2 : 096158120066 ExternallyAssignedProductIdentifier3 : 00888569094049 ItemName : Chicago Die Casting 1200a Single V Grooved Pulley, 12" X 5/8" ItemPackageDimensions_Height : 1.73 inches ItemPackageDimensions_Length : 12.09 inches ItemPackageDimensions_Width : 12.05 inches ItemPackageQuantity : 1 ItemTypeKeyword : v-belt-pulleys Manufacturer : Chicago Die Casting Material : iron cast_iron ModelNumber : 1200A NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 1200A ProductDescription : 7.75" Outside Diameter, Cast Iron 2BK80H Pulley with smooth-surface engineered for rigorous use, long life and minimal maintenance. This is a 2 piece bushing style pulley that includes the H pulley and Tapered H bushing. Electric motor frame size guide. ...... 5/8" Shaft diameters are found on 56, 56H, 56Y Frame motors ........ 7/8" Shaft diameters are found on 56HZ, 145T, 182Y Frame motors.......... 1-1/8" Shaft diameters are found on 182T and 184T frame motors.......... 1-3/8" Shaft diameters are found on 213T and 215T frame electric motors ProductSiteLaunchDate : 2017-01-06T18:20:44.955Z PulleyType : v_belt Size : 7/8" Shaft / 0.875 Bore Style : 2BK80H SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 26111800