1. Product Overview The NJ310 single‑row cylindrical roller bearing adopts NJ‑type structural design with one‑rib inner ring. It can withstand heavy radial load as well as limited one‑direction axial load, and allows certain axial displacement between inner and outer rings to absorb shaft thermal expansion. It is widely used in industrial gearboxes, reducers and general heavy‑load rotary shaft assemblies. 👉 Get a quote within 24 hours for your project 2. Technical Specificati