30MM Belt Width; 8MM Belt Pitch; 8M-30 Synchronous Plus Belt Style; 48 Teeth; 31.75MM Face Width; Bushed; 131.064MM Flange OD; 120.853MM OD; 122.225MM Pitch Diam; Keyway; 12.7 To 50.8MM Bushing Bore Range; SDS Bushing; No Minimum Plain Bore