Ball Bearings 10x15x4 S6700-2RS Stainless Steel Lot of 10 Bearings S6700-2RS Pack of 10 bearings S6700-2RS Stainless Steel Ball Bearings, S6700-2RS is a popular size that could be used in many application that uses this size 10mm x 15mm x 4mm. S6700-2RS Bearings are made of Stainless Steel and can rotate up to 50,000 rpm, each bearing S6700-2RS has 2 Rubber Seal to protect the bearing from dust or any possible contamination, also S6700-2RS bearings are pre-lubricated with grease, S6700-2RS Bearings are packed 10 bearings in one plastic tube.