AK79 Pulley 1-1/8" Bore 80B57 Sprockets This 80BS29 sprocket features a

This 80BS29 sprocket features a 2-7/16" finished bore with a key-way and two set screws

and yield strength compared to the standard 1018 steel used by other brands

Something to note about this 4018 coupling chain is that it fully meets all ANSI standards and will work with other manufactures sprockets and housings

For more information on a single groove 1TB42 pulley

Dimension (I): 7

AK79 Pulley 1-1/8" Bore 80B57 Sprockets This 80BS29 sprocket features aThis AK79 Pulley 1 1 8" bore is directly interchangeable with other manufacturers, is 7. 75" in diameter, is used with A style V Belts, and is manufactured in accordance with ARPM Standard IP20 for safe operation. What separates this AK79 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