#120 Roller Chain Tensioner
What sets this 6311 bearing apart from others is the ABEC 3 precision standard that this bearing is made to
It utilizes A Tru-Loc locking device for locking onto a 1-15/16" shaft and features a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing
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 #120 Roller Chain TensionerThis 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