BK120 Pulley 1-3/16" Bore filter_H50B20 Sprocket Size: 40BS37

Sprocket Size: 40BS37

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While the phosphate coated and then painted finish adds corrosion resistance to the AK74H pulley

This 2AK30 Pulley 1" bore is directly interchangeable with other manufacturers

BK120 Pulley 1-3/16" Bore filter_H50B20 Sprocket Size: 40BS37This BK120 Pulley 1 3 16" bore is directly interchangeable with other manufacturers, is 11. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK120 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