Ensure reliable performance and long-lasting durability with this high-quality Boat Trailer Axle Bearing Kit, specially designed for boat trailers with 1.25in to 1.75in tandem axles and 5200 to 7000 lb capacity, featuring a D42 spindle. Crafted from premium chrome steel alloy, metal alloy, and rubber materials, this bearing kit offers excellent strength, rust resistance, and superior wear protection even in harsh environments. Key Features: · **Premium Materials for Durability:** Made from high-strength chrome steel alloy combined with metal alloy and rubber components, this bearing kit resists corrosion and withstands rugged conditions for extended use. · **Complete Bearing Kit:** Includes all necessary components for straightforward replacement and maintenance—inner bearings, inner races, outer bearings, outer races, grease seals, cotter pins, dust caps, rubber plugs, spindle nuts, and washers—ensuring compatibility and a perfect fit. · **Versatile Fitment:** Specifically designed for boat trailers with 1.25in to 1.75in tandem axles, supporting loading capacities between 5200 and 7000 lbs and compatible with D42 spindles, meeting a wide range of mounting requirements. · **Enhanced Trailer Performance:** Refurbish or replace worn or damaged bearings to restore smooth operation, reduce hub friction, and improve overall trailer performance by minimizing resistance and preventing excessive wear. · **Easy Installation:** Engineered for simple and efficient installation, this kit requires minimal tools and effort, allowing quick and hassle-free servicing of trailer axle hubs. Specifications: · Material: Chrome Steel Alloy, Metal Alloy, Rubber · Inner Bearings: 25580 (Inside Diameter 4.45 cm / 1.75 in) · Inner Races: 25520 · Outer Bearings: 14125A (Inside Diameter 3.18 cm / 1.25 in) · Outer Races: 25520 · Grease Seals: 22333TB (x2) · Fitment: Boat trailers with 1.25in to 1.75in tandem axles, 5200-7000 lb capacity, D42 spindle Package Includes: · 1 x Inner Bearing 25580 · 1 x Inner Race 25520 · 1 x Outer Bearing 14125A · 1 x Outer Race 25520 · 2 x Grease Seals 22333TB · 1 x Cotter Pin · 1 x Dust Cap · 1 x Rubber Plug · 1 x Spindle Nut · 1 x Washer This Boat Trailer Axle Bearing Kit provides a comprehensive and reliable solution to maintain and optimize your trailer’s axle system, boosting safety, reducing wear, and ensuring smooth towing performance in demanding marine environments.