the R6-2RS bearing features raceways that are precision honed to a superb finish
UEF206-20 bearings are commonly used in applications such as
200M22 Sprocket Dimensions
What separates this double 2BK47 pulley from the others is that it is made using a high grade-35 cast iron
4TB58 Sheave four-groove 6.15" OD 41B9 Sprockets the R6-2RS bearing features racewaysThis 4TB58 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 6. 15" 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 four groove 4TB58 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