PRECISION ENGINEERED: With a 1/4 inch bore and a 14 mm diameter, this bearing provides an exact fit for professional router cutters, promising superior performance SHIELDED & GREASE-PACKED: The bearing is shielded to prevent dust penetration and comes pre-packed with grease for its lifetime, eliminating the need for solvent cleaning or additional lubrication SIMPLE CLEANING: Any resin build-up can be easily scraped off to maintain the bearing's performance and prevent excess wear and tear OPERATIONAL SAFETY: Always remember to check the fixing screw's tightness before using the cutter for secure and optimal operation HIGH-QUALITY REPLACEMENT: As part of the Professional Router Cutters range, this bearing serves as a reliable replacement part, restoring your tool to its peak functioning state