Fit for 1-1/16" to 1-3/8" trailer axle with 3500 lb #84 spindles. Purpose and benefits - Provides a complete solution to extend the life of your trailer by replacing worn bearings and related parts, helping to protect boat trailer components and accessories. - Durable construction using quality materials to resist corrosion and wear, improving reliability on the road. Quality materials and design - Wheel hub: high quality carbon steel with black coating for strength and durability. - Dust cover: galvanized surface to prevent corrosion and rust, supporting long service life. Value Kit and contents (32 pieces total, 2 sets) - 2 x Hubs (5 bolt, 4.5" bolt circle for 3500 lb) - 2 x inner bearings (L68149) - 2 x outer bearings (L44649) - 2 x grease seals (I.D: 1.719", O.D: 2.565") - 10 x Lug nuts (1/2" - 20 thread) - 4 x dust caps (O.D: 1.98") - 4 x rubber plugs - 2 x spindle nuts - 2 x washers - 2 x cotter pins - Detailed dimensions available in the picture or description 2-3 use scenarios - Regular maintenance for a boat trailer or utility trailer with 1-1/16" to 1-3/8" axles to prevent bearing failures and extend service life. - Replacement of worn bearings and seals during off-season or before long trips to reduce downtime and repair costs. - Upgrading or rebuilding a 3500 lb axle trailer with a complete hub kit to ensure reliable performance and consistent bearing protection. Note: All dimensions and compatibility refer to the items listed above.