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

85MM Belt Width; 8 Millimeter Belt Pitch; 8M-85 Belt Style; 36 Teeth; 88.9MM Face Width; Bushed; 100.076MM Flange OD; 90.3MM OD; 91.67MM Pitch Diam; Yes Keyway; 12 To 42MM Bushing Bore Range; 1615 Bushing; No Minimum Plain Bore