BK90 Pulley 1-1/8" Bore filter_H40BS20 50BS48 1 1/8" Finished Bore

50BS48 1 1/8" Finished Bore sprocket Dimensions

This BK77 Pulley 1-1/8" bore is directly interchangeable with other manufacturers

and mounting plates/brackets for an efficient installation

2040B20 Sprocket

BK90 Pulley 1-1/8" Bore filter_H40BS20 50BS48 1 1/8" Finished BoreThis BK90 Pulley 1 1 8" bore is directly interchangeable with other manufacturers, is 8. 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 BK90 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