Steyr NU203E Cylindrical Roller Bearing

Steyr NU203E Cylindrical Roller Bearing is a single‑row radial bearing from STC‑Steyr designed for pure radial loads in compact packages. The NU203E size specifies a bore of 17 mm, an outer diameter of 40 mm, and a width of 12 mm, making it the 17x40x12 variant in Steyr’s NU‑series of cylindrical roller bearings. As part of the NU design category, this bearing is intended for pure radial loading, with no axial support provided by the bearing itself, unlike NJ or NUP designs that accommodate combined loads. The NU203E is built to support heavy radial forces and is commonly used in industrial machinery where robust, reliable radial guidance is required. Steyr’s NU‑series bearings are designed to deliver stable operation under high radial loads with a consistent clearance regime and long service life when paired with appropriate housings and seals. Available in standard bore and outer‑ring dimensions, the NU203E fits into applications that require a compact, steel‑rolling element solution for radial support.