Plastic Bearing POM 629 Glass Balls 9x26x8POM 629 Plastic Radial With Glass Bearing 9mm x 26mm x 8mm One Bearing POM 629 Plastic Radial With Glass Bearing, Bearing is Polymer Raceways with glass, Bearing inner diameter is 9mm, Bearing outer diameter is 26mm and Bearing width is 8mm. Item: POM 629 Bearing Type: Plastic Radial With Glass Bearing Material: POM (Polyoxymethylene) also know as Acetal Bearing Inner Diameter: 9mm Bearing Outer Diameter: 26mm Bearing Width: 8mm Size: 9 x 26 x 8 mm