Variable Pitch V-Belt Pulley Bore Diameter 1 in Standards REACH Certification RoHS Compliant For Belt Trade Size 3L 4L 5L 5V 5VX A AX B BX For V-Belt Type Classical Cogged Wedge Material Cast Iron Maximum Pitch Diameter 5.9 in (3L) 6.2 in (4L A) 6.5 in (5L B) 6.9 in (5V) Number of Grooves 1 Outside Diameter 6.55 in Set Screw Location Not Applicable 3L Pitch Diameter (Maximum) 5.9 in 3L Pitch Diameter (Minimum) 5.1 in 3V Pitch Diameter (Maximum) Not Applicable