'Sleeve Coupling Flange, Size - Sleeve Couplings 5, Flange Type - Sleeve Couplings J, Bore Type - Couplings Fixed Bore, Bore Dia. 1 In., Outside Dia. 3.250 In., Keyway Size 1/4 In. x 1/8 In., Length through Bore (In.) 1.04, Max. RPM 7600, Width (In.) 1.04, Height (In.) 3.25, Hub Dia. (In.) 3.25, Material of Construction Sintered Steel, Setscrew Location One over the Key and One at 90 Degrees, Max. Angular Misalignment 1 Degrees For EPDM/Neoprene Sleeves'