For Many brand Industrial Sewing Machines.Motor Belt Pulley is applicable to all kinds of industrial sewing machine clutch motor use. This item is for one pulley for industrial sewing machine.
Inner Diameter: about 15mm/0.59"
Outer diameter: 45mm/1.77", 50mm/1.97", 55mm/2.17", 60mm/2.36", 65mm/2.56", 70mm/2.76", 75mm/2.95", 80mm/3.15", 85mm/3.35", 90mm/3.54", 95mm/3.74", 100mm/3.94", 110mm/4.33", 120mm/4.72"