AK134 Pulley 3/4" Bore 40B21 Sprockets This 41B28 sprocket is a

This 41B28 sprocket is a durable

Pitch Diameter (B/ 5L): 5

This 40BS59 sprocket features a 5/8" finished bore including a key-way and two setscrews

This AK64 Pulley 15/16" bore is directly interchangeable with other manufacturers

AK134 Pulley 3/4" Bore 40B21 Sprockets This 41B28 sprocket is aThis AK134 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 13. 25" in diameter, is used with A style V Belts, and is manufactured in accordance with ARPM Standard IP20 for safe operation. What separates this AK134 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