Ball Bearings 10x19x5 Lot of 10 Bearings 61800-2RS Pack of 10 61800-2RS Bearings, 61800-2RS bearing has a popular size that could be used in many application that uses this size 10mm x 19mm x 5mm.61800-2RS Bearings can rotate up to 22,000 rpm,61800-2RS bearing has Rubber Seals to protect the bearing from dust or any possible contamination,61800-2RS bearings are pre-lubricated with grease.