6 Grooves; 21.2" Outside Diameter; Bushed; 4040 Bushing Series; 5V Belt Series; 21.1" Pitch Minimum; 21.1" Pitch Maximum; 1-7/16 To 4-7/16" Bushing Bore Range; Keyway

2 Grooves; 12-1/2" Outside Diameter; Bushed; 3020 Bushing Series; 5V Belt Series; 12.4" Pitch Minimum; 12.4" Pitch Maximum; 7/8 To 3-1/4" Bushing Bore Range; Keyway

2 Grooves; 13.2" Outside Diameter; Bushed; 3020 Bushing Series; 5V Belt Series; 13.1" Pitch Minimum; 13.1" Pitch Maximum; 7/8 To 3-1/4" Bushing Bore Range; Keyway

2 Grooves; 18" OD; Bushed; 5V Belt Series; 18" Pitch Minimum; 18" Pitch Maximum; Keyway

2 Grooves; 11.3" Outside Diameter; Bushed; SK Bushing Series; 5V Belt Series; 11.2" Pitch Minimum; 11.2" Pitch Maximum; 1/2 To 2-5/8" Bushing Bore Range; Keyway