2 Grooves; 12-3/4" Outside Diameter; Bushed; SK Bushing Series; A | B Belt Series; 12" Pitch Minimum; 12.4" Pitch Maximum; 1/2 To 2-5/8" Bushing Bore Range; Keyway

21MM Belt Width; 8MM Belt Pitch; 8MPC-21 QT PowerChain II Belt Style; 40 Teeth; 24.638MM Face Width; Bushed; 110.236MM Flange OD; 100.254MM OD; 101.854MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

2 Grooves; 6-3/4" Outside Diameter; Bushed; SDS Bushing Series; A | B Belt Series; 6" Pitch Minimum; 6.4" Pitch Maximum; 1/2 To 2" Bushing Bore Range; Keyway

30MM Belt Width; 8MM Belt Pitch; 8M-30 Synchronous Plus Belt Style; 28 Teeth; 31.75MM Face Width; Bushed; 80.01MM Flange OD; 70.079MM OD; 71.298MM Pitch Diam; Keyway; 12.7 To 38.1MM Bushing Bore Range; QT Bushing; No Minimum Plain Bore

2 Grooves; 3-3/4" Outside Diameter; Bushed; SH Bushing Series; A | B Belt Series; 3" Pitch Minimum; 3.4" Pitch Maximum; 1/2 To 1-11/16" Bushing Bore Range; Keyway