Feature:1. Dust Proof: Fine workmanship, metal shields on both sides can and wood chips from entering the bearing to extend the service life of the machine.2. High Quality Material: The cutter head bearing is made of high quality steel, with high hardness, not easy to deform and damage, and has a long service life.3. Good Replacement: Used to replace or repair damaged or missing milling cutter upper bearings, with good matching and stable working performance.4. Sufficient Quantity: A total of 3 sets of replacement bearing accessories are included, which can fully meet your needs, very convenient and practical.5. Easy To Use: The kit contains screws and wrench to help you install and remove the bearings better and quickly, which is easy to use and save time and effort.Specification:Item Type: Bearing AccessoriesMaterial: SteelBearing Outer Diameter: Approx. 15.9mm/0.6inBearing Inner Diameter: Approx. 4.76mm/0.2inPurpose: Steel Bearing Accessories Suitable for Milling Cutter Heads Package List:3 x Bearing3 x Screw1 x WrenchNote:Manual measurement, please allow some errors.