Offering clean, dependable, quiet performance, this low-maintenance sleeve coupling flange is easy to install. No lubrication is required. Use it with other Sure-Flex Plus coupling components, available separately, for a complete assembly. This listing is for each. Technical Specification Item - Sleeve Coupling Flanges Sleeve Coupling Flange Size - Sleeve Couplings 11 Flange Type - Sleeve Couplings S Bore Type - Couplings Plain Bore Bore Dia. 1-1/4 Outside Dia. 8.625 Length through Bore (In.) 3.44 Max. RPM 3600 Width (In.) 3.44 Height (In.) 8.625 Hub Dia. (In.) 8.625 Material of Construction Cast Iron Setscrew Location Two At 90 Degrees Max. Angular Misalignment 1 Degrees For EPDM & Neoprene Sleeves, 0.25 Degrees For Hytrel Sleeves Ideal For Applications In Motors, Pumps, Compressors, Blowers, Mixers and Conveyors Bushing Required None