This 6C240F Sheave uses a F QD bushing
This 50BS16 sprocket featured a 1-3/16" finished bore with a key-way and two set screws
48V1500F Sheave Dimensions
Common Interchanges: 40BS41H
heat treated
BK80 Pulley 1-1/4" Bore 50B26 Sprockets This 6C240F Sheave uses 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