While the phosphate coated and then painted finish adds corrosion resistance to the 43V335SH sheave
120A20 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes
Hub Diameter: 3"
This BK57 Pulley 15/16" bore is directly interchangeable with other manufacturers
Our superior UCFX11-36 bearing with a 2-1/4" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
BK67 Pulley 5/8" Bore 2BK160 Pulley While the phosphate coated andThis BK67 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 6. 45" 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 BK67 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