the 6203-2RS bearing features raceways that are precision honed to a superb finish
5201-2RS Bearing Dimensions
This 60BS49 sprocket features a 1-5/8" finished bore including a key-way and two setscrews
Dimension (a): 1-15/16"
HC206-18 Bearing Dimensions
BK62H Pulley single-groove 5.95" OD 2BK62 Pulley the 6203-2RS bearing features racewaysThis BK62H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 5. 95" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this BK62H 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