AK21 Pulley 1/2" Bore #50 P Type Sprockets This 80BS9 sprocket features a

This 80BS9 sprocket features a 1-1/8" finished bore with a key-way and two set screws

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and precision sprocket with 16 hardened teeth that is manufactured to accept a SF bushing

While the phosphate coated and then painted finish adds corrosion resistance to the 25V2800E sheave

Dimension (Bi): 35

AK21 Pulley 1/2" Bore #50 P Type Sprockets This 80BS9 sprocket features aThis AK21 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 2. 10" in diameter, is used with A style V Belts, and is manufactured in accordance with ARPM Standard IP20 for safe operation. What separates this AK21 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast iron offers a higher tensile strength and is more wear