Variable Pitch V-Belt Pulley Bore Diameter 1 1/8 in Standards REACH Certification RoHS Compliant For Belt Trade Size 3L 4L 5L A AX B BX For V-Belt Type Banded Classical Cogged Wedge Material Cast Iron Maximum Pitch Diameter 2.7 in (3L) 3 in (4L A) 3.3 in (5L B) Number of Grooves 2 Outside Diameter 3.35 in Set Screw Location Not Applicable 3L Pitch Diameter (Maximum) 2.7 in 3L Pitch Diameter (Minimum) 1.9 in 3V Pitch Diameter (Maximum) Not Applicable