The SKF 3304A-2RS1/MT33 is a high-quality double row angular contact ball bearing designed for applications requiring high rigidity and the ability to accommodate combined loads. It features a 20mm bore diameter, a 52mm outer diameter, and a 22.2mm width. The 'A' designation indicates a 25-degree contact angle, while '2RS1' signifies contact seals on both sides, providing protection against contaminants and retaining lubricant. The 'MT33' suffix refers to a specific cage design or material. This genuine SKF bearing is engineered for reliable performance in various industrial machinery.