The DL 5020 RICH is a heavy-duty needle roller bearing without an inner ring, manufactured by RICH to achieve the highest possible static and dynamic load capacity within a minimal radial envelope. This unit features precise metric dimensions of 50 x 58 x 20 mm, making it suitable for large, highly stressed industrial mechanisms.
This bearing utilizes a cageless design, meaning it incorporates the maximum density of needle rollers possible. This construction is specifically engineered for handling extremely high radial loads and is the preferred choice for applications operating at low speeds or under oscillatory motion where load rating is critical. The outer ring is a thin-walled, drawn cup type, designed for secure, interference-fit installation directly into the housing bore. Due to its inner-ringless configuration, the DL 5020 RICH requires the mating shaft surface to be accurately hardened and ground to function as the inner raceway, which ensures maximum rigidity and space efficiency in the final assembly.
Data sheet