10-Pack Bearings R2AZZ 1/8" x 1/2" x11/64" Miniature BearingsR2AZZ Shielded Ball Bearings 1 8" x 1 2" x 11 64" inch Lot of 10 Bearings R2AZZ Shielded Ball Bearings, a standard bearing size with dimensions commonly used across many industries: 1 8" x 1 2" x 11 64" inch, each bearing has metal shields to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation. R2AZZ Ball Bearings Deep Groove Ball Bearings Closures: Double metal