The 61808 TTN radial ball bearing is designed for high-speed applications, featuring a bore size of 40 mm and an outer diameter of 52 mm. This bearing is ideal for electric motors and other machinery requiring low friction and high performance. Constructed from high-quality materials, it offers excellent resistance to wear and tear, ensuring longevity. The TTN designation indicates a sealed design, providing protection against dust and moisture. This bearing meets ISO standards, making it a reliable choice for various industrial applications.