V-Belt Pulley 3L Pitch Diameter Not Applicable 3V Pitch Diameter Not Applicable 3VX Pitch Diameter Not Applicable 4L Pitch Diameter 7 in 5L Pitch Diameter 7.4 in 5V Pitch Diameter Not Applicable 5VX Pitch Diameter Not Applicable A Pitch Diameter 7 in AX Pitch Diameter 7 in B Pitch Diameter 7.4 in BX Pitch Diameter 7.4 in C Pitch Diameter Not Applicable CX Pitch Diameter Not Applicable Bore Diameter 3/4 in Bore Type Fixed Standards ISO For Belt Trade Size 4L 5L A AX B BX