Specification Brand : Martin BulletPoint1 : For use with Martin Quadra-Flex series flexible couplings (sold separately) BulletPoint2 : Cast iron for non-corrosive applications where strength and heat dissipation are factors and weight is not BulletPoint3 : Meshes with S style spacers BulletPoint4 : Transfers shock and misalignment to the center element of the coupling assembly for reduced wear on the shaft assembly BulletPoint5 : Teeth help to distribute torsional load across the flange and sleeve, reducing wear and extending service life ExternallyAssignedProductIdentifier1 : 697950317298 ExternallyAssignedProductIdentifier2 : 0697950317298 ItemName : Martin 6S Quadraflex Coupling Flange, Cast Iron, Metric, 30 mm Bore A, 30 mm Bore B, 101.6 mm OD, 41.275 mm Length ItemPackageDimensions_Height : 4.318 centimeters ItemPackageDimensions_Length : 11.43 centimeters ItemPackageDimensions_Width : 11.684 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-couplings Manufacturer : MARTIN Material : Cast Iron MaximumAngularMisalignment : 0.33 degrees MaximumRotationalSpeed : 6000 rpm ModelNumber : 6S 30MM NumberOfItems : 1 NumberOfTeeth : 25 PartNumber : 6S 30MM ProductSiteLaunchDate : 2010-11-10T00:00:01-08:00 Size : 30 millimeters Style : Modern