63004‑2RS Deep Groove Ball Bearing 20×42×12mm For General Machinery Equipment Product Overview 63004‑2RS is single‑row deep groove ball bearing fitted with double rubber contact seals. It resists dust and moisture ingress, supports both radial and moderate axial loads. Ready‑to‑install, no relubrication required for standard operating conditions, widely used for general‑purpose machinery. *Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you