Ball Bearings 4 x 11 x 4 S694ZZ Stainless Steel Lot of 10 Bearings High Quality 10 bearings Stainless Steel Ball Bearings, this is a popular size that could be used in many application that uses this size 4 x 11 x 4. Bearings are made of Stainless Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.