B3137-16 Oil Impregnated Bronze Sleeve Bearing 1-7/8" ID for a nearly infinite number

for a nearly infinite number of ratio possibilities

Recessed screw head provides an outside surface free of major projections for safety

Note: Because the efficiency of a worm gear drive depends on the lead angle and number of starts on the worm

the ratio should be kept low

B3137-16 Oil Impregnated Bronze Sleeve Bearing 1-7/8" ID for a nearly infinite numberBost 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