The 6005 ZZ/2RS is a type of deep groove ball bearing that is commonly used in the energy industry. It has an outer diameter of 25mm, an inner diameter of 47mm, and a width of 12mm. This bearing is known for its high cost performance, meaning that it offers a good balance of quality and price. The "ZZ" and "2RS" designations refer to the type of seal or shield on the bearing. The "ZZ" indicates that it has two metal shields to protect the bearing from dust and other contaminants, while the "2RS" indicates that it has two rubber seals to keep lubricant in and contaminants out. 6005 ZZ/2RS Open 25x47x12mm High Cost Performance Bearings For Energy Industry Deep Groove Ball Bearing