Preload Disc Spring Washer 12.8mm x 7.2mm x 0.25mm
Ball Bearing Pre-Load Disc Springs are basically designed to use with radial Ball Bearings. They help with maintaining accuracy and positioning of the Bearing with no end play. They also assist with vibration and shaft deflections. Using this type of Disc, will help increase the rigidity of a Bearing and help reduce noises.