BK90 Pulley 1-1/8" Bore filter_H40BS20 the 5210 bearing features raceways

the 5210 bearing features raceways that are precision honed to a superb finish

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2040B20 Sprocket

50BS48 1 1/8" Finished Bore sprocket Dimensions

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

BK90 Pulley 1-1/8" Bore filter_H40BS20 the 5210 bearing features racewaysThis 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