50MM Belt Width; 8MM Belt Pitch; 8M-50 Synchronous Plus Belt Style; 44 Teeth; 53.975MM Face Width; Bushed; 120.904MM Flange OD; 110.668MM OD; 112.039MM Pitch Diam; Keyway; 12.7 To 50.8MM Bushing Bore Range; SD Bushing; No Minimum Plain Bore

115MM Belt Width; 20MM Belt Pitch; 20M-115 Synchronous Plus Belt Style; 44 Teeth; 127MM Face Width; Bushed; 299.974MM Flange OD; 275.793MM OD; 280.111MM Pitch Diam; Keyway; 25.4 To 101.6MM Bushing Bore Range; F Bushing; No Minimum Plain Bore