Ball Bearings 6 x 13 x 5 Bearings With Flanged Lot of 10 Bearings High Quality 10 Flanged Ball Bearings , this is a popular size that could be used in many application that uses this size 6 x 13 x 5. each bearing are rubber sealed from both sides to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease