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14 1/2° PA gears are used extensively because of lower backlash and smoother
pinion wire
Click here for spec sheets: SUCNPTRS Spec Sheet
Ideal for space constrained areas
For shafts at 90°
YI 2472 Brass Internal Spur Gear 40mm ID 14 1/2° PA gears areBoston 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
