AK41 Pulley 3/4" Bore - 3.95" V-Belt Pulley Stainless Steel Hollow Pin Roller Chain This 80BS21 sprocket features a

This 80BS21 sprocket features a 2-3/16" finished bore with a key-way and two set screws

Pitch (P): 9

Dimension (A): 1-7/8"

Part #: UCPX 17-55

Bearing Size: 6304-ZZ

AK41 Pulley 3/4" Bore - 3.95" V-Belt Pulley Stainless Steel Hollow Pin Roller Chain This 80BS21 sprocket features aThis AK41 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 3. 95" in diameter, is used with A style V Belts, and is manufactured in accordance with ARPM Standard IP20 for safe operation. What separates this AK41 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