Pack of 10 Bearing 688-2RS Sealed Ball Bearings 4mm x 8mm x 3mm Pack of 10 Bearing 688-2RS Sealed Ball Bearings, Bearings are made of Chrome Steel, Bearing inner diameter is 4mm, Bearing outer diameter is 8mm and Bearing width is 3mm, 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, Bearings are packed 10 bearings in one plastic tube.
