1. Product Overview The 61834ZZ single‑row extra thin‑section deep groove ball bearing adopts double‑sided ZZ metal dust shields. Slim wall‑thickness design greatly saves radial installation space. It can bear radial load and moderate bidirectional axial load, metal shields block coarse dust, fit medium‑speed large‑bore rotary equipment with limited housing dimension. It is widely used in large‑size automation equipment, rotary tables and general‑purpose large‑diameter shaft