4 Grooves; 18-3/4" Outside Diameter; Bushed; SF Bushing Series; A | B Belt Series; 18" Pitch Minimum; 18.4" Pitch Maximum; 1/2 To 2-15/16" Bushing Bore Range; Keyway

4 Grooves; 9.68" Outside Diameter; Bushed; B Bushing Series; A | B | 5V Belt Series; 9" Pitch Minimum; 9-1/2" Pitch Maximum; 1/2 To 2-7/16" Bushing Bore Range; Keyway

4 Grooves; 21.2" Outside Diameter; Bushed; 4545 Bushing Series; 8V Belt Series; 21" Pitch Minimum; 21" Pitch Maximum; 1-15/16 To 4-15/16" Bushing Bore Range; Keyway

4 Grooves; 6.95" Outside Diameter; Bushed; SD Bushing Series; A | B Belt Series; 6.2" Pitch Minimum; 6.6" Pitch Maximum; 1/2 To 2" Bushing Bore Range; Keyway

4 Grooves; 5.15" Outside Diameter; Bushed; SD Bushing Series; A | B Belt Series; 4.4" Pitch Minimum; 4.8" Pitch Maximum; 1/2 To 2" Bushing Bore Range; Keyway