B1420-16 Oil Impregnated Bronze Sleeve Bearing 4.75" ID these gears are available only

these gears are available only in brass

Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market

Pre-Lubricated: No

They have proven to be efficient under heavy loads at moderate speeds

B1420-16 Oil Impregnated Bronze Sleeve Bearing 4.75" ID these gears are available onlyBost 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