1. Product Overview The 626‑2RSH/C3 single‑row deep groove ball bearing adopts 2RSH double‑sided low‑friction contact rubber seal and C3 enlarged radial internal clearance. It can bear radial load plus moderate bidirectional axial load, good dust‑proof performance, low friction and stable high‑speed running performance. C3 clearance adapts to operating temperature rise and interference‑fit installation conditions, widely used for small motors, power tools and miniature