Specification Brand : Martin BulletPoint1 : For use with Martin Spacer Coupling (SC) type Quadra-Flex series flexible coupling assemblies (sold separately) BulletPoint2 : High carbon steel for better wear and longer life over hubs made from steel alloys with less or no carbon, or non-steel alloys BulletPoint3 : Available in regular (H type) or short (HS type) lengths to accommodate the spacing requirements of the application BulletPoint4 : Attaches to SC type spacer flanges with four bolts ExternallyAssignedProductIdentifier1 : 697950276755 ExternallyAssignedProductIdentifier2 : 0697950276755 ItemName : Martin 6H 1 1/4 Quadraflex Spacer Coupling, High Carbon Steel, Inch, 1.25" Bore A, 1.25" Bore B, 2.5" OD, 1.219" Length ItemPackageDimensions_Height : 3.302 centimeters ItemPackageDimensions_Length : 8.382 centimeters ItemPackageDimensions_Width : 8.382 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : roller-chain-couplings Manufacturer : MARTIN Material : Carbon Steel MaximumAngularMisalignment : 0.33 degrees MaximumRotationalSpeed : 6000 rpm NumberOfItems : 1 PartNumber : 6H 1 1/4 ProductSiteLaunchDate : 2010-11-10T08:00:01.000Z Size : 1.25 inches StreetDate : 2017-05-15T00:00:01Z Style : Modern