6204-2RS Sealed Ball Bearings 20mm x 47mm x 14mm 6204-2RS Sealed Ball Bearings, 6204-2RS Bearings are made of Chrome Steel, 6204-2RS inner diameter is 20mm, 6204-2RS outer diameter is 47mm, 6204-2RS width is 14mm, each 6204-2RS bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, also 6204-2RS bearings are pre-lubricated with grease, Bearings are packed 10 bearings in one plastic tube.