Dunbier Bearing Protectors are factory-standard replacement parts and will provide added peace of mind between bearing services. Simple to install, they’re a trusted solution for bearing maintenance used by thousands of boaters across Australia.

The simple spring-loaded plunger system provides positive grease pressure inside the hub, helping to keep water and road grit out of your bearing system. For additional protection, we recommend using them with standard single-lip seals, though they’re also compatible with marine seals if preferred.

Note: If using marine seals be sure to not over-pressurise the system as this may cause seal failure.