Standard V-Belt Pulley, 3L Pitch Diameter Not Applicable, 3V Pitch Diameter Not Applicable, 3VX Pitch Diameter Not Applicable, 4L Pitch Diameter Not Applicable, 5L Pitch Diameter Not Applicable, 5V Pitch Diameter 18.7 in, 5VX Pitch Diameter 18.7 in, A Pitch Diameter Not Applicable, B Pitch Diameter Not Applicable, AX Pitch Diameter Not Applicable, BX Pitch Diameter Not Applicable, C Pitch Diameter Not Applicable, CX Pitch Diameter Not Applicable, For Bushing Type Quick Detachable