AK184 Pulley 3/4" Bore filter_50B76-SB 40B43 sprockets with a stock

40B43 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

This 3C130E Sheave uses a E QD bushing

50A49 sprockets with a stock bore comes with a 15/16" inside diameter plain hole and can be easily machine bored to custom sizes

This AK34 Pulley 1/2" bore is directly interchangeable with other manufacturers

AK184 Pulley 3/4" Bore filter_50B76-SB 40B43 sprockets with a stockThis AK184 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 18. 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 AK184 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