1. Product Overview The BR203616 open‑type drawn cup needle roller bearing is thin‑wall shell‑style needle roller unit. It adopts deep‑drawn steel shell housing, integrates needle rollers and retainer. It occupies minimal radial installation space and delivers outstanding radial load‑bearing capacity; can be used with IR series inner ring when shaft surface cannot be hardened. It is widely used in compact gear assemblies, transmission mechanisms and small‑size industrial