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 : Sprocket 50B20H-1 3/16" Finished Bore Heat Treated Type B Finished Bore W/Keyway and Set ScrewsFor #50 Roller Chain20 ToothOutside Diameter = 4.320"Pitch Diameter = 3.995" BulletPoint3 : ✅ Fits Shaft Dia.: 1 in BulletPoint4 : ✅ Number of Grooves: 1 BulletPoint5 : ✅ Pulley Material: Cast Iron ExternallyAssignedProductIdentifier : 4680708368280 IncludedComponents : Set Screw ItemName : 50B20H-1-3/16" Type B Finish Bore Sprocket for #50 Roller Chain 20 Tooth ItemPackageDimensions_Height : 1.42 inches ItemPackageDimensions_Length : 4.06 inches ItemPackageDimensions_Width : 4.06 inches ItemTypeKeyword : roller-chain-sprockets Manufacturer : rustic203 Material : Cast Iron ModelNumber : BK40-1-1/8 NumberOfItems : 1 PartNumber : 6523663482 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 : 2024-03-26T10:33:59.843Z PulleyType : v_belt SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1