Standard V-Belt Pulley 3V Pitch Diameter Not Applicable 3VX Pitch Diameter Not Applicable 4L Pitch Diameter 10.73 in 5V Pitch Diameter Not Applicable 5VX Pitch Diameter Not Applicable A Pitch Diameter 10.73 in AX Pitch Diameter Not Applicable B Pitch Diameter Not Applicable BX Pitch Diameter Not Applicable C Pitch Diameter Not Applicable CX Pitch Diameter Not Applicable Bore Diameter 3/4 in Bore Type Fixed For Belt Trade Size 4L A For V-Belt Type Classical