The R8 2RS PRX TTN Radial Ball Bearing features dual rubber seals for superior protection against contaminants. With a bore size of 1/2 inch and an outer diameter of 1 1/8 inches, this bearing is designed for applications that require reliable performance in harsh environments. The high-quality steel construction ensures longevity and durability, while the deep groove design allows for smooth operation under high speeds. This bearing complies with industry standards, making it a versatile choice for various machinery and equipment.