Attributes . 9MM Belt Width; 2MM Belt Pitch; 2MR-9 Powergrip GT2 Belt Style; 50 Teeth; 10.185MM Face Width; Rough Bore; 37.338MM Flange OD; 31.318MM OD; 31.826MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 0.688" Max Bore . Names