1. Product Overview The 6006‑2RS1/C3 single‑row deep groove ball bearing adopts 2RS1 double‑sided contact rubber seal and C3 enlarged radial internal clearance. It can bear radial load and moderate bidirectional axial load. Reliable contact seal structure prevents dust and impurities from entering and retains internal grease. C3 clearance compensates thermal expansion caused by high‑speed rotation and interference‑fit installation. It is widely used for small motors, reducers