4 Grooves; 137.5MM Outside Diameter; Rough Bore; SPA Belt Series; 132MM Pitch Minimum; 132MM Pitch Maximum; No Keyway; Yes Minimum Plain Bore; 65MM Max Bore

2 Grooves; 78MM Outside Diameter; Rough Bore; SPB Belt Series; 71MM Pitch Minimum; 71MM Pitch Maximum; No Keyway; Yes Minimum Plain Bore

1 Groove; 165.5MM Outside Diameter; Rough Bore; SPA Belt Series; 160MM Pitch Minimum; 160MM Pitch Maximum; No Keyway; Yes Minimum Plain Bore; 42MM Max Bore

1 Groove; 61.5MM Outside Diameter; Rough Bore; SPA Belt Series; 56MM Pitch Minimum; 56MM Pitch Maximum; No Keyway; Yes Minimum Plain Bore

4 Grooves; 129MM Outside Diameter; Rough Bore; SPZ Belt Series; 125MM Pitch Minimum; 125MM Pitch Maximum; No Keyway; Yes Minimum Plain Bore; 50MM Max Bore