EE1/2ZZX Shielded Miniature Bearing 1/8" x 1/2" x11/64"EE1 2ZZX Shielded Ball Bearing 1 8" x 1 2" x 11 64" inch EE1 2ZZX 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. EE1 2 ZZX Ball Bearing Deep Groove Ball Bearing Closures: Double metal shields