520 Roller Chain - 10ft Box 2AK61 Pulley the 6804-ZZ bearing features raceways

the 6804-ZZ bearing features raceways that are precision honed to a superb finish

What sets this 6311-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

This 41BTB40 sprocket is a durable

This 160BTB14 sprocket is a durable

520 Roller Chain - 10ft Box 2AK61 Pulley the 6804-ZZ bearing features raceways520 roller chain is a non standard series roller chain that is a common in stock item for USA Roller Chain. What sets this chain apart from others is that it is manufactured with solid rollers, and uses heat treated components for better performance and a higher strength. This 520 roller chain also is supplied with a high quality lubricant for additional working life. We stock this chain in 10ft boxes, 50ft reels, 100ft reels, 250ft reels, and cut to