The TotalSource 505305 is a high-quality, genuine roller bearing designed for robust performance in various industrial applications. With an inner diameter of 50 mm, an outer diameter of 90 mm, and a width of 20 mm, this bearing ensures reliable and efficient operation by effectively reducing friction and supporting both radial and axial loads. Manufactured to precise specifications, it offers exceptional durability and a long service life, making it an ideal replacement for maintaining optimal machinery performance.