1. Product Overview 63004‑2RS1/C3 is a single row deep groove ball bearing fitted with double-sided 2RS1 contact seals and C3 increased radial internal clearance. It reliably takes radial loads and moderate axial loads, suitable for operating conditions with temperature rise and thermal expansion. Widely used for general machinery shafts, small motors and conveyor equipment requiring dust protection. Get a quote within 24 hours for your project 2. Key Advantages C3 larger