Specification Brand : Martin BulletPoint1 : Split taper bushing for mounting a pulley, sheave, or sprocket on a drive shaft BulletPoint2 : Solid flange and double-split barrel improve concentricity and provide strong clamping on the shaft BulletPoint3 : Class 30 gray cast iron for resistance to wear, galling, and corrosion BulletPoint4 : Keyed to both shaft and drive component to provide higher torque carrying capacity BulletPoint5 : Interchangeable with split taper bushings from various manufacturers ExternallyAssignedProductIdentifier1 : 697950819020 ExternallyAssignedProductIdentifier2 : 0697950819020 ExternallyAssignedProductIdentifier3 : 00697950819020 ItemName : Martin W2 4 3/4 MST Bushing, Class 30 Gray Cast Iron, Inch, 4.75" Bore, 8.5" OD, 11.25" Length ItemPackageDimensions_Height : 11.25 inches ItemPackageDimensions_Length : 8.5 inches ItemPackageDimensions_Width : 8.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : split-taper-locking-bushings Manufacturer : MARTIN Material : Cast Iron NumberOfItems : 1 PartNumber : W2 4 3/4 ProductSiteLaunchDate : 2010-11-10T08:00:01.000Z SupplierDeclaredDgHzRegulation : unknown