208SZZ Ball Bearing, 208SZZ inner diameter is 40mm, 208SZZ Bearing outer diameter is 80mm and Bearing 208SZZ width is 18mm, 208SZZ Ball Bearing is made of Chrome Steel, each 208SZZ bearing has 2 Rubber Seals to protect the bearing from dust or any possible contamination, the 208SZZ bearing is pre-lubricated with grease.