Specification Brand : Martin BulletPoint1 : For use with series 25 chain, 1/4” pitch for driver or driven sprocket applications BulletPoint2 : Type A sprocket offers flexibility in mounting arrangements BulletPoint3 : Shaft diameter size from 1/4” to 1/2” 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 : 697950000183 ExternallyAssignedProductIdentifier2 : 0697950000183 ItemName : Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width ItemPackageDimensions_Height : 0.254 centimeters ItemPackageDimensions_Length : 8.382 centimeters ItemPackageDimensions_Width : 8.382 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : MARTIN Material : Carbon Steel NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 45 PartNumber : 25A45 ProductSiteLaunchDate : 2010-09-29T00:00:01-07:00 Size : 25 Style : Reboreable UnspscCode : 31171900