This 40BS13 sprocket featured a 5/8" finished bore with a key-way and two set screws
This 35BS80 sprocket features a 7/8" finished bore including a key-way and two setscrews
and is bored to accept a 2012 bushing
and precision A-Plate sprocket with 49-teeth that is manufactured out of high-quality steel
50BS70 1" Finished Bore Sprocket Dimensions
BK60 Pulley 1-3/16" Bore #160 S-Type Sprockets This 40BS13 sprocket featured aThis BK60 Pulley 1 3 16" bore is directly interchangeable with other manufacturers, is 5. 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 BK60 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