Feature precision-ground raceways and standardized dimensions to serve as critical components for needle roller and cylindrical roller bearings. Provide hardened running surfaces for roller guidance and load transmission. Enable customized bearing arrangements when paired with appropriate outer components.

Common Types:
With grinding relief (NIN, NIF); With keyway (NIN-K, NIF-K); Tapered bore (NIN-T, NIF-T); Flanged design (NUK); Sealed version (NIS); Stainless steel material (Suffix SS).

Typical Applications:
Need roller cage assemblies, agricultural machinery spindles, printing press rollers, textile machinery shafts, automotive steering systems, industrial gearboxes, and aftermarket bearing maintenance kits.