BK80 Pulley 1-1/4" Bore 50B26 Sprockets This 50BS16 sprocket featured a

This 50BS16 sprocket featured a 1-3/16" finished bore with a key-way and two set screws

This 6C240F Sheave uses a F QD bushing

This 41BS54 sprocket features a 1" finished bore including a key-way and two setscrews

While the phosphate coated and then painted finish adds corrosion resistance to the 43V800SK sheave

BK80 Pulley 1-1/4" Bore 50B26 Sprockets This 50BS16 sprocket featured aThis BK80 Pulley 1 1 4" bore is directly interchangeable with other manufacturers, is 7. 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 BK80 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