The 6305-2RS is a Double Rubber-Sealed Deep Groove Ball Bearing engineered to deliver reliable performance in demanding environments where protection against moisture, dust, and contaminants is essential. Fitted with two synthetic rubber contact seals (2RS) on both sides, this bearing ensures effective lubrication retention and prevents ingress of fine particles or fluids. Featuring a 25 mm bore, it is an ideal choice for electric motors, pumps, gearboxes, and industrial machinery requiring robust sealing and smooth operation under moderate to heavy loads .