10-Pack R16-2RS - 1" ID x 2" OD x 1/2" Width Sealed BearingR16 2RS Sealed Ball Bearings 1" x 2" x 1 2" inch Lot of 10 Bearings R16 2RS Sealed Ball Bearings, a standard bearing size commonly used in a variety of industrial and commercial applications, Made from high strength chrome steel for durability and performance each bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation,