B2832-20 Oil Impregnated Bronze Sleeve BearingBost 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

Click here for spec sheets: CUCNPFB Spec Sheet

Click here for spec sheet: SBPA Spec Sheet

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web with lightening holes

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and web with spokes

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high impact and abrasion

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Piloted Flange Units

The spline design virtually elimi nates back lash which is a delayed action effect caused by excessive clearances between hub and discs

a spring loaded pressure plate (magnet armature) presses against the rotating discs