4C120E Sheave four-groove 12.40" OD filter_40BS25-FB This 1C70SF Sheave uses a

This 1C70SF Sheave uses a SF QD bushing

What separates this four groove 4TB66 pulley from the others is that it is made using a high grade-35 cast iron

and precision sprocket with 17 hardened teeth that is manufactured to accept a F bushing

Our superior SBRFB205-14 bearing with a 7/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

4C120E Sheave four-groove 12.40" OD filter_40BS25-FB This 1C70SF Sheave uses aThis 4C120E Sheave uses a E QD bushing, is directly interchangeable with other manufacturers, is 12. 40" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With C series QD sheaves you can use C, CX cogged, CC double angled, and C banded v belts. What separates this 4C120E sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the