B1821-16 Oil Impregnated Bronze Sleeve Bearing 0.437" ID Click here for spec sheets:

Click here for spec sheets: SUCTFB Spec Sheet

Click here for spec sheet: BUCNPP Spec Sheet

Two-Piece Housing has rust-proof plated finish

It is equally important that worms and worm gears used together must have the same diametrical pitch and threads

B1821-16 Oil Impregnated Bronze Sleeve Bearing 0.437" ID Click here for spec sheets: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