Trailer Axle Bearing Protector 1.98 Inch, with Silicone Dust Cap, Fits for Trailer, Boat, RV, Camper Wheel Bearings - Pair

Fits All 1.98-Inch Hub Caps：Designed for all wheel hubs with a 1.98-inch diameter grease cap bore. To ensure a correct fit, please measure your vehicle's hub diameter before purchasing.

Wide Compatibility for Bearing Protection：This bearing buddy is compatible with most 4 or 5-bolt wheel hubs. It provides essential protection for a wide range of applications including trailers, RVs, snowmobiles, and ATVs — a versatile solution for your bearing buddies needs.

Positive filling indication and pressure relief valve: The vent hole allows you to visually confirm when the hub cavity is fully filled with grease. It is also a safety relief valve that prevents excessive pressure, ensures perfect filling, and does not damage the seal.

Maintain sealing and pressure: This bearing buddy cap can form an excellent seal, effectively preventing water, dirt, and road dust from entering the wheel bearings and hub assembly, avoiding corrosion and premature bearing damage.

Durable chrome plated steel material: Made of durable chrome plated steel, it can resist corrosion in harsh environments. Simply tap with a rubber hammer to complete the installation in seconds - it's your buddy bearing caps' direct and sturdy upgrade option.