Dexter 5-Lug 4.5" Bolt 3.2K & 3.7K Axle Bearing and Seal Replacement Kit K71-059-00Keep your trailer running smoothly with this Bearing and Seal Replacement Kit designed for 3.2K and 3.7K 545 axles. The 545 designation refers to a 5-lug 4.5" bolt circle trailer hub, commonly used in a variety of trailer applications. This comprehensive replacement kit is perfect for maintaining or repairing your trailer's axle system, specifically designed for UFP systems with a 1.980 outer bore.Bearing & Seal Kit Features: Complete Kit: Contains all you need for 3.2K & 3.7K axles; UFP Legacy: Designed for use with systems that; Ideal for trailers with a 5 Lug 4.5" bolt circle hub (545 pattern); Easy to install for maintenance or repair your trailer's axle system; Includes seals, bearing cups, bearing cones, and cotter pins for a full rebuild; Bearing & Sea Specifications: Fits: 3,200 & 3,700lbs axles with a 5 lug 4.5" bolt circle hub; Outer Bore: 1.980; Replacement Kit Includes: (2) Seals - protects against dirt, moisture, and contaminants; (2) Cotter Pins - keeps the bearing & hub securely in place; (2) Bearing Cups (L44610); (2) Bearing Cones (L44649); (2) Bearing Cups (L68111); (2) Bearing Cones (L68149); (2) Bearing Cups (L68110); This bearing and seal replacement kit has all the necessary components to restore or maintain the performance of your 3.2K or 3.7K 5 lug axles. Perfect for both routine maintenance and repair, this kit ensures reliable, long-lasting functionality for your trailer's wheel assemblies.