BK45 Pulley 3/4" Bore 50B84 Sprockets This 1B5V80 Sheave uses a

This 1B5V80 Sheave uses a B bushing

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For more information or to get pricing and availability on a 2BK32 Pulley with 7/8" bore

BK45 Pulley 3/4" Bore 50B84 Sprockets This 1B5V80 Sheave uses aThis BK45 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 4. 25" 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 BK45 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