6201-2RS-1/2 is a Precision Metric Ball Bearing manufactured with a special bore size of 1/2 inch, Rubber Seals on both sides and is pre-lubricated with Grease, allowing for use upon delivery. Made from Chrome Steel, 6201-2RS-1/2 is a Metric Ball Bearing that can withstand both moderate radial and axial loads while providing high performance.