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For shafts at 90°
14 1/2° PA gears are used extensively because of lower backlash and smoother
Many are available with or without hubs
This process ensures the uniform distribution of pores between the bronze particles which absorb the oil by capillary action
YI 2472 Brass Internal Spur Gear 40mm ID For shafts at 90°Boston 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
