Name: milling cutter bearing parts, shank bearing.
Material: alloy steel.
Colour: silver, black.
Bearing type: ball bearing.
Specification: bearing inner diameter is 3/16inch/4.76mm, outer diameter is 1/2inch/12.7mm.
Application: suitable for a wide range of woodworking milling tools, cutting tools, drills, mechanical equipment and other tools with 3/16inch shank.
Package content: contains 5pcs miter bearings, 5pcs screws and 1pc spanner.