Racewill 1.98" Trailer Wheel Bearing Protectors, Chromed Stainless Steel Axle Bearing Protective Kit with Dust Cap & Auto Check for Boat Trailer, Utility Trailer, Snowmobile, RV and ATV - 4 Pack

Wide Application: Bearing protectors are used for wheel hub grease cover bore with a diameter of 1.98 inches for boat trailers, snowmobiles, RV, ATV and utility trailers.

Automatic Grease Check: Real time monitoring of lubricating grease pressure inside bearings through spring-loaded pistons, eliminating the need for frequent disassembly and inspection.

Weather Resistance: Chromed stainless steel bearing protectors have excellent corrosion resistance and rust resistance, suitable for saltwater or freshwater environments.

Prevent Leakage: Bearing protectors keep bearing grease from leaking out in high-speed rotation and high temperature, using a grease gun to lubricate bearings can solve the hub overheating issues.

Dust Prevention: Dust covers effectively block water, dust, and debris from entering the bearing chamber, reducing bearing wear and corrosion.