Something that sets this 2040B18 sprocket apart from others is that it is Black Oxide Finished
This 2AK59 Pulley 1" bore is directly interchangeable with other manufacturers
What sets this 6311 bearing apart from others is the ABEC 3 precision standard that this bearing is made to
the 5205-2RS bearing features raceways that are precision honed to a superb finish
Sprocket Size: 160M60
3TB184 Sheave three-groove 18.75" OD 100B16 Sprockets Something that sets this 2040B18This 3TB184 Pulley uses a Q1 series bushing, is directly interchangeable with other manufacturers, is 18. 75" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With B series TB pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this three groove 3TB184 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