G319 Hand Fine Spur Gear

Hand Fine Spur Gear. This 12 tooth gear is used in the backgauge hand fine adjustment mechanism on Polar 72 EL, 72 CE and PM cutters, after machine serial number 4551001. Outside diameter is 2.97” (75.5mm). It’s overall width is approximately 1.57” (40mm). 19mm diameter bore and 6mm wide keyway.