2AK59H-A Standard V-Belt Pulley, 3L Pitch Diameter 5.16 in, 3V Pitch Diameter Not Applicable, 3VX Pitch Diameter Not Applicable, 4L Pitch Diameter 5.5 in, 5L Pitch Diameter Not Applicable, 5V Pitch Diameter Not Applicable, 5VX Pitch Diameter Not Applicable, A Pitch Diameter 5.5 in, B Pitch Diameter Not Applicable, AX Pitch Diameter 5.5 in, BX Pitch Diameter Not Applicable, C Pitch Diameter Not Applicable, CX Pitch Diameter Not Applicable, For Bushing Type Quick Detachable, Split Taper