10-Pack Sealed Bearing R2-2RS 1/8" x 3/8" x 5/32" MiniatureR2 2RS Sealed Ball Bearings 1 8" x 3 8" x 5 32" inch Lot of 10 Bearings R2 2RS Sealed Ball Bearings, each bearing has 2 Sealed to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation. R2 2RS Ball Bearings Deep Groove Ball Bearings Closure: Sealed Lubrication: Pre lubricated with grease Dimensions: 1 8" x 3 8" x 5 32" inch English Size Bearing Inner Diameter: 1 8"