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the 6903-2RS bearing features raceways that are precision honed to a superb finish
While the phosphate coated and then painted finish adds corrosion resistance to the 2BK110 pulley
Our SA205-16 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand
its also capable of operating in very low to very high temperatures without degrading the working and performance capacity of the chain
BK70 Pulley 5/8" Bore 2AK59 Pulley the 6903-2RS bearing features racewaysThis BK70 Pulley 5 8" bore is directly interchangeable with other manufacturers, is 6. 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 BK70 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
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