R6ZZ Shielded Ball Bearings 3/8" x 7/8" x 9/32" inch Lot of 10 Bearings R6ZZ Shielded Ball Bearings, the inner diameter is 3/8", outer diameter is 7/8" and the width is 9/32", each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are made of Chrome Steel, Bearings are packed 10 bearings in one plastic tube.