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having good hardness
the teeth are cut into the inside diameter while the outside diameter is kept smooth
Max V Value: 300 fpm
Click here for spec sheets: SNA Spec Sheet
It is manufactured using the powdered metal process with the purest metal powders
B1621-10 Oil Impregnated Bronze Sleeve Bearing 3" Tube having good hardnessBost 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
