8 Grooves; 40" Outside Diameter; Bushed; N Bushing Series; 8V Belt Series; 39.8" Pitch Minimum; 39.8" Pitch Maximum; 2-15/16 To 5-15/16" Bushing Bore Range; Keyway

8 Grooves; 21.2" Outside Diameter; Bushed; M Bushing Series; 8V Belt Series; 21" Pitch Minimum; 21" Pitch Maximum; 1-15/16 To 5-1/2" Bushing Bore Range; Keyway