Specification Brand : Farmer Bob's Parts BulletPoint1 : 1-1/8" X-Series Weld on Hub Round Bore w/ Keyway Set Screw Meets ASTM/ANSI Standards B29.62 Fits X Series Weld Sprocket with 2" Diameter Hub for Sprocket Keyway 3/8 X 3/16" BulletPoint2 : 00030018, 20030018, 971-20030018, WSH30018, X1-1/8 BulletPoint3 : X Series BulletPoint4 : Weld-on Hub BulletPoint5 : Notice - The surface has not been treated with anti-rust, so there may be rust on the surface, but this does not affect the use, you can use sandpaper to remove the rust spots before using. Color : Black ExternallyAssignedProductIdentifier : 5281261516300 ExternallyAssignedProductIdentifier1 : 0767908192151 ExternallyAssignedProductIdentifier2 : 767908192151 ExternallyAssignedProductIdentifier3 : 00888569094315 FitType : Universal Fit ItemName : 1-1/8" Bore Weld on Hub for X Series (2" Diameter w/ 1/4" Keyway) Farmer Bob's Parts WSH30018 ItemPackageDimensions_Height : 15 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 9.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-sprockets Manufacturer : Farmer Bob's Parts Material : Steel ModelName : MF-TranX ModelNumber : hta220819hh1509 NumberOfItems : 1 NumberOfRows : 1 NumberOfTeeth : 12 PartNumber : WSH30018 ProductDescription : 1. Sprockets are durable gears that are used in combination with roller chains to power all types of machinery. As the sprocket rotates, the teeth grab onto the chain and move other parts that interlock with the chain. 2. The speed of the sprocket should not over that allowed by a drive sprocket of the same size. Each roller sprocket has strong teeth that latch onto the chain. It is suggested that the sprocket has at least three teeth meshed with the chain. 3. Made of A3 steel (Q235), the teeth are high-frequency quenched, with high hardness and wear resistance. 4. Used in hardware, milling machine, machinery and other transmission occasions. 5. Note: The measurement allowed tolerance is+/-1-3cm. The surface has not been treated with anti-rust, so there may be rust on the surface, but this does not affect the use, you can use sandpaper to remove the rust spots before using. ProductSiteLaunchDate : 2018-10-30T07:00:00.000Z Size : 10mm StreetDate : 2017-05-15T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1