G689 Brass Internal Spur Gear 1.2500" ID • Horizontal/Vertical Mount

• Horizontal/Vertical Mount

and most come with a selection of bore diameters

In addition

quieter operation and higher horsepower capacity than spur gears of comparable size

G689 Brass Internal Spur Gear 1.2500" ID • Horizontal/Vertical MountBoston Gears internal gears are spur gears turned "inside out." In other words, the teeth are cut into the inside diameter while the outside diameter is kept smooth. This design allows for the driving pinion to rotate internal to the gear, which, in turn, allows for clean operation. Intended for light duty applications, these gears are available only in brass. When choosing a mating spur gear, always remember that the difference in the number of teeth