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see SNA vs SUC pages for bearing insert dimensions)
quietest form of gearing when properly applied
Diametral Pitch: 16
Friction discs are then released and free to rotate with the hub and motor shaft
B1620-10 Oil Impregnated Bronze Sleeve Bearing 2.563" ID see SNA vs SUC pagesBost Bronz is Boston Gears all purpose, oil impregnated, porous bronze bearing material. It is manufactured using the powdered metal process with the purest metal powders. This process ensures the uniform distribution of pores between the bronze particles which absorb the oil by capillary action. In addition, Bost Bronz has a self contained oil supply (approximately 20% by volume) which provides a uniform protective film over the entire bearing
