The Husqvarna 539114921 bearing is a genuine OEM replacement part designed for reliable performance in a wide range of Husqvarna, Poulan, Craftsman, and other compatible lawn and garden machinery. This high-quality ball bearing ensures smooth operation and reduces friction in critical components such as deck spindles, transmissions, and wheels. With an inner diameter of 17 mm, an outer diameter of 40 mm, and a width of 12 mm, it provides a precise fit for specified models, contributing to the longevity and efficiency of your equipment. It replaces several OEM part numbers including 532129895 and 129895.