Y6480 Brass Spur Gear 0.3750" ID the ratio should be kept

the ratio should be kept low

Click here for spec sheet: SAF Spec Sheet

Click here for spec sheet: SALF-H4 Spec Sheet

This design allows for the driving pinion to rotate internal to the gear

Y6480 Brass Spur Gear 0.3750" ID the ratio should be keptBoston Gear spur gears are designed to transmit motion and power between parallel shafts. The different styles offered include spur, gear rack, pinion wire, stem pinions, and internal gears, and most come with a selection of bore diameters, keyways, and setscrews to accommodate a wide variety of application requirements. They are available in plastic, non metallic, brass, steel, and cast iron and are manufactured in a variety of styles, including