YI 2472 Brass Internal Spur Gear 40mm ID Keyless Rigid Coupling with high

Keyless Rigid Coupling with high torque and overhung load capacity

Many are available with or without hubs

For shafts at 90°

Click here for spec sheet: HUCPA Spec Sheet

Click here for spec sheets: SUCNPTRS Spec Sheet

YI 2472 Brass Internal Spur Gear 40mm ID Keyless Rigid Coupling with highBoston 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