B816-12 Oil Impregnated Bronze Sleeve Bearing 3.50" ID Click here for spec sheet:

Click here for spec sheet: HUCP Spec Sheet

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Click here for spec sheet: SBLF-H4 Spec Sheet

Step Up Adapters are ideal for making the shaft larger

B816-12 Oil Impregnated Bronze Sleeve Bearing 3.50" ID Click here for spec sheet:Bost 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