6pcs Bearing Top Mounted Bearings for Router Bit(5-40x3/8inch Screws)

Bearing Type: Top Mounted; Inner Diameter: 3/16inch, Outer Diameter: 3/8inch, Thickness: 1/8inch; Screw Size: 5-40 x 3/8inchFeature: They are designed to spin at high RPM to give a better performance.Application: This bearing assortment is designed to replace or repair the damaged or lost router bit bearings, or to modify the cut depth of router bit.Installation: Use a appropriate hex key to loosen the origin cap screw and remove the old guide bearing. It is needed to ensure the bearing spins after installing the new one onto the top of router bit.Notice: Ensure the cap screw sizes are identical to the original one. Choose the correct inside diameter (I.D.) and outside diameter (O.D.) for your needs.How to change bearing on router bit?Step 1 - Select a appropriate hex key to loosen the original screw.Step 2 - Remove the old guide bearing and place a new one.Step 3 - Insert the screw and tighten.Step 4 - Ensure the bearing spins freely before they get to work.colour: silverMaterial: metalPackage Contents:6 x R166ZZ bearings6 x hexagon socket screws1 x wrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.