10 Shielded Bearing R2ZZ 1/8x3/8x5/32 inch MiniatureR2ZZ Shielded Ball Bearings Lot of 10 Bearings R2ZZ Shielded Ball Bearings, the inner diameter is 1 8" Inch, outer diameter is 3 8" Inch and the width is 5 32" Inch, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre lubricated with grease. Item: R2ZZ Ball Bearings Type: Deep Groove Ball Bearings Closures: 2 Metal Shields Lubrication: Self Lubricated (Grease) Dynamic load rating: 63.