Don't Settle! At Guardian Filtration Products, we don't. We know you have choices when shopping for pool and spa filter cartridges and maintenance parts. Our goal is to provide the highest quality products at the best prices. We are an American company based in Greenville, PA and have been here since 2003. We manufacture direct replacements for popular brands and sizes in the pool/spa filtration and maintenance parts. This Ball Bearing is designed to be a direct replacement for the following parts: EC60 bearing ball 2pk rpl lc60; llc60; lxc60 The dimensions are: Height: 0.50 Width/Diameter: 1.05 Length/Diameter: 1.05