Attributes . 9MM Belt Width; 3MM Belt Pitch; 3M-9 PowerGrip HTD Belt Style; 18 Teeth; 10.185MM Face Width; Rough Bore; 20.066MM Flange OD; 16.434MM OD; 17.196MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 0.25" Max Bore . Names