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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
• Superior Thermal Capacity
An instruction bulletin on mounting and hookup are included with each brake
Bost-Bronz® is Boston Gear’s all-purpose
a same-hand helix angles must be used
B1821-12 Oil Impregnated Bronze Sleeve Bearing 3.375" ID • Superior Thermal CapacityBost 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
