5 Grooves; 11.28" Outside Diameter; Bushed; R1 Bushing Series; A | B | 5V Belt Series; 10.6" Pitch Minimum; 11.1" Pitch Maximum; 1-1/8 To 3-3/4" Bushing Bore Range; Keyway

3 Grooves; 10.3" Outside Diameter; Bushed; R1 Bushing Series; 5V Belt Series; 10.2" Pitch Minimum; 10.2" Pitch Maximum; 1-1/8 To 3-3/4" Bushing Bore Range; Keyway

5 Grooves; 9.68" Outside Diameter; Bushed; R1 Bushing Series; A | B | 5V Belt Series; 9" Pitch Minimum; 9-1/2" Pitch Maximum; 1-1/8 To 3-3/4" Bushing Bore Range; Keyway