Upgrade your trailer maintenance and rebuild projects with this premium Trailer Wheel Hub Bearing Kit, engineered for durability and reliable performance. Crafted from high-grade chromium steel alloy and steel alloy materials, this kit is designed to withstand harsh conditions and provide long-lasting wear resistance. The inclusion of a TB rubber seal with a specialized grease retention spring ensures optimal protection against water, dirt, and road grime, extending the life of your trailer bearings. Key Features: · **High-Grade Chromium Steel Alloy Bearings:** Manufactured with durable Cr steel alloy to resist wear and damage, ensuring a prolonged lifespan even under rigorous use. · **Grease Retention Spring Design:** Innovative spring behind the seal lip keeps grease effectively inside the hub, preventing contaminants from entering and enhancing durability. · **Complete Axle Support:** The kit includes LM12749, LM12710, L68149, L68110 bearings plus a TB seal, providing outstanding spindle support, reducing hub friction, and improving overall vehicle efficiency. · **Ideal Replacement Kit:** Perfectly suited for 1-1/16 inch axle trailer wheel hub bearings, making it an excellent choice for repairing or replacing worn-out or damaged trailer bearings. · **Easy Installation:** Designed for quick and straightforward installation, saving time and effort while delivering dependable, long-term use. Specifications: · **Material:** Cr steel alloy, steel alloy, rubber · **Included Bearings:**  - LM12749 Bearing (Inside Dimension: 0.8656 inch)  - LM12710 Bearing (Outside Dimension: 1.781 inch)  - L68149 Bearing (Inside Dimension: 1.378 inch)  - L68110 Bearing (Outside Dimension: 2.328 inch) · **Seal:** TB Seal (ID 1.687 inches x OD 2.328 inches) · **Fitment:** Fits 1-1/16 inch axles trailer wheel hub bearing Package Includes: · 1 x LM12749 Bearing · 1 x LM12710 Bearing · 1 x L68149 Bearing · 1 x L68110 Bearing · 1 x TB Seal This Trailer Wheel Hub Bearing Kit is an essential component for restoring the smooth operation of your trailer wheels. Its advanced materials and design protect against environmental hazards while providing robust support and reducing friction. Ensure your trailer’s wheel hubs operate efficiently and reliably with this comprehensive, easy-to-install bearing kit.