Standard V-Belt Pulley 3L Pitch Diameter Not Applicable 3V Pitch Diameter Not Applicable 3VX Pitch Diameter Not Applicable 4L Pitch Diameter 3.6 in 5L Pitch Diameter 4 in 5V Pitch Diameter Not Applicable 5VX Pitch Diameter Not Applicable A Pitch Diameter 3.6 in B Pitch Diameter 4 in AX Pitch Diameter 3.6 in BX Pitch Diameter 4 in C Pitch Diameter Not Applicable CX Pitch Diameter Not Applicable For Bushing Type Quick Detachable For Belt Trade Size 4L 5L A AX B BX