10-Pack R1-4ZZ 5/64" x 1/4" x 9/64" Shielded Miniature BearingsBall Bearings 5 64" x 1 4" x 9 64" Lot of 10 Bearings High Quality 10 inch size Ball Bearings, measures an inner diameter of 5 64", outer diameter is 1 4" and the width is 9 64", 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 Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come pre