Feature:1. Enhanced Structures: The bearings are made of high grade cr steel alloy, which is resistant to wear and damage, ensuring long lifespan in harsh conditions.2. Grease Retention Design: Spring behind the lip helps retain grease inside the hub, protecting against water and road grime ingress for extended durability.3. Efficient Axle Support: Kit includes LM12749, LM12710, L68149, L68110 bearings and TB seal for outstanding spindle support, reducing hub friction and enhancing vehicle efficiency.4. Ideal Replacement: Suitable for specific sizes of axles trailer wheel hub bearing, ideal for rebuilding or replacing old or damaged trailer bearings effectively.5. Easy Installation: Designed with user convenience in mind, our marine trailer bearing kit is easy to install, saving you time and effort, bring you reliable use.Specification:Item Type: Trailer Wheel Hub Bearing KitMaterial: Cr steel alloy + steel alloy + rubberKit Includes:1 Pieces LM12749 Bearings 0.8656 Inch Inside Dimension1 Pieces LM12710 Bearings 1.781 Inch Outside Dimension1 Pieces L68149 Bearings 1.378 Inch Inside Dimension1 Pieces L68110 Bearings 2.328 Inch Outside Dimension 1 Pieces TB Seal ID 1.687 inches X OD 2.328 inchesFitment: Fit for 1-1/16in Axles Trailer Wheel Hub Bearing.Package List:1 x Boat Trailer Wheel Bearing Kit (5PCS)