7/8 in Fixed Bore 1 Groove V-Belt Pulley 4.25 in OD BK4578

V-Belt Pulley, 3L Pitch Diameter Not Applicable, 3V Pitch Diameter Not Applicable, 3VX Pitch Diameter Not Applicable, 4L Pitch Diameter 3.5 in, 5L Pitch Diameter 3.9 in, 5V Pitch Diameter Not Applicable, 5VX Pitch Diameter Not Applicable, A Pitch Diameter 3.5 in, AX Pitch Diameter 3.5 in, B Pitch Diameter 3.9 in, BX Pitch Diameter 3.9 in, C Pitch Diameter Not Applicable, CX Pitch Diameter Not Applicable, Bore Diameter 7/8 in, Bore Type Fixed, Standards ISO 9001:2015 Certification