Self Aligning Ball Bearing 8mm x 24mm x 8mm 128 Self Aligning Ball Bearing have a spherical outer ring raceway, balls and cage continue to rotate, this type of bearings is suitable when the displacement of the centers around which the shaft and housing rotate and shaft deflection are likely to occur. Dimensions of the bearing is 8mm x 24mm x 8mm.Bearing is made of Chrome Steel.