B1721-16 Oil Impregnated Bronze Sleeve Bearing 2-1/8" Because the efficiency of a

Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm

• Continuous Duty

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B1721-16 Oil Impregnated Bronze Sleeve Bearing 2-1/8" Because the efficiency of aBost 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