10-Pack 4x8 Sealed 4x8x3 Miniature BearingPack of 10 Bearing 4 x 8 x 3 Ball Bearings 10 Ball Bearings Pack of 10 Ball Bearings, Made from high strength chrome steel for durability and performance, each bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation, Bearings are packed 10 bearings in one plastic tube. 4 x 8 x 3 Ball Bearings Deep Groove Ball Bearings