Specification Brand : Martin BulletPoint1 : For use with series 40 chain, 1/2” pitch for driver or driven sprocket applications BulletPoint2 : Type A sprocket offers flexibility in mounting arrangements BulletPoint3 : Shaft diameter size from 1/2” to 15/16” for a variety of applications BulletPoint4 : Can be used with large-diameter shafts, and drilled for mounting or welded directly to other apparatuses BulletPoint5 : High carbon steel for strength and durability ExternallyAssignedProductIdentifier1 : 697950006574 ExternallyAssignedProductIdentifier2 : 0697950006574 ItemName : Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 40 Chain Size, 0.5" Pitch, 45 Teeth, 0.719" Bore Dia., 7.45" OD, 0.284" Width ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 17.272 centimeters ItemPackageDimensions_Width : 17.018 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : MARTIN Material : Carbon Steel NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 45 PartNumber : 40A45 ProductSiteLaunchDate : 2010-10-01T08:00:01.000Z Size : 40 Style : Reboreable UnspscCode : 54100000