Keep your trailer rolling smoothly and your wheel bearings protected with the original Genuine Bearing Buddy Stainless Steel Bearing Protectors. These aren't simple trailer bearings; they're a complete pressurized bearing cover system designed to eliminate the biggest causes of trailer breakdowns. Manufactured with premium chrome-plated components, our Bearing Buddy resists rust and corrosion even in harsh freshwater environments, ensuring years of dependable performance. Every trailer hub dust cap is 100% quality inspected for a perfect fit and proudly made in the USA for unmatched durability and precision. Whether you tow a boat, RV, ATV, horse trailer, or utility hauler, Genuine Bearing Buddy keeps you safe, prepared, and worry-free on the road. Eliminate costly repairs, prevent bearing failure, and enjoy complete peace of mind knowing your trailer hubs are sealed, pressurized, and protected. PROTECT YOUR INVESTMENT - Whether it’s a boat, camper, or utility trailer, our Bearing Buddy prevents wheel bearing failure and keeps water and dirt out of hubs and bearings. This Genuine Bearing Buddy ensures smooth, worry-free towing AUTOMATIC PRESSURE RELIEF - Engineered with a self-regulating pressure valve, our trailer bearing dust cap releases excess grease. This bearing cover protects seals and bearings from damage while maintaining optimal hub lubrication KEEPS GREASE IN & WATER OUT - Our wheel bearing caps for trailers use a spring-loaded piston to maintain safe 3 psi pressure, keeping grease in and contaminants out while preventing overpressurization that could damage the inner seal QUICK & SIMPLE INSTALLATION - Measure for proper fit, then tap the Bearing Buddy into the hub using a wood block and hammer. No special experience needed. If the wheel bearing protectors don’t fit securely, stop and contact Bearing Buddy BUILT TO LAST - Made with corrosion-resistant stainless steel, Bearing Buddies are built for saltwater use on boats, RVs and ATVs, utility and horse trailers. These trailer bearing caps are made in the USA and backed by a lifetime warranty for long-term reliability UPC 650209424406 ASIN B01D54Q9FM Model 3000.0886 Brand Name Bearing Buddy Unit Count 1.0 Count Part Number 42440 Bearing Type Roller Bearing Manufacturer Bearing Buddy Material Type Chrome Bearing Number 2441 Item Thickness 2.44 Inches Item Dimensions 10 x 7 x 5 inches Outside Diameter 2.5 Inches Compatible Lubricant Grease Global Trade Identification Number 00650209424406