Sleeve Coupling Flange, Size - Sleeve Couplings 10, Flange Type - Sleeve Couplings S, Bore Type - Couplings Fixed Bore, Bore Dia. 2-1/4 In., Outside Dia. 7.500 In., Keyway Size 1/2 In. x 1/4 In., Length through Bore (In.) 2.72, Max. RPM 3600, Width (In.) 2.72, Height (In.) 7.500, Hub Dia. (In.) 7.500, Material of Construction Cast Iron, Setscrew Location One over the Key and One at 90 Degrees, Max. Angular Misalignment 1 Degrees For EPDM & Neoprene Sleeves, 0.25 Degrees For Hytrel Sleeves