Specification Brand : Generic BulletPoint1 : Our team is here to assist you anytime. Whether you have a question about a product, need help with your order, or simply want personalized recommendations, we're just a message away. Hassle-Free Returns: Easy returns and exchanges simplify the process. BulletPoint2 : 40B18H-5/8" Type B Bore 18 Heat Treated Hardened Teeth With KEYWAY and SET SCREWS. Hardened for #40 Roller Chain. 3.14" O.D.1" L.T.B.5/8" BORE BulletPoint3 : Cylindrical Roundness - Solid BushingsThe advantage of solid bush, cylindrical roundness, makes for a large bearing area and oil port as an oil reservoir, improves the chain wear resistance and minimize chain elongation.PreloadingOCM roller chain is preloaded automatically after assembly to minimize initial elongationNEW FROM FACTORY WITH 1 FREE CONNECTING LINK PER 10FT! ItemName : Generic 40B18H-5/8"" Type B Finish Bore Sprocket for #40 Roller Chain 18 Tooth ItemTypeKeyword : roller-chains Manufacturer : rustic203 NumberOfItems : 1 PartNumber : 6523663563 ProductDescription : Our team is here to assist you anytime. Whether you have a question about a product, need help with your order, or simply want personalized recommendations, we're just a message away. Hassle-Free Returns: Easy returns and exchanges simplify the process. ProductSiteLaunchDate : 2024-03-26T10:33:26.632Z UnitCount : 1 UnspscCode : 31151603