115MM Belt Width; 20MM Belt Pitch; 20M-115 Synchronous Plus Belt Style; 56 Teeth; 127MM Face Width; Bushed; 374.904MM Flange OD; 352.196MM OD; 356.514MM Pitch Diam; Keyway; 36.513 To 114.3MM Bushing Bore Range; J Bushing; No Minimum Plain Bore