Features: 1.Versatile Fit for Various Trailer Axles: 3500LB axle bearing kits are designed to fit trailer axles ranging from 1?1/16in to 1?3/8in, fit 84 spindles. 2.Low Noise: 3500LB axle bearing kits are manufactured with precise bearings, ensuring low working noise during operation. This means a quieter and more enjoyable towing experience. 3.Double Lip Grease Seal Design for Leak Prevention: The grease seal included in this kit features a double lip design, providing a tight seal and preventing leaks. 4.Long Service Life: All components of axle bearing kits are made of metal materials. This ensures their durability and long service life, even under heavy use and demanding conditions. 5.Comprehensive Kit: Our kit includes not only the bearings but also dust caps, rubber plugs, and spindle nuts. Additionally, shims and washers are provided.4 Specification: Item Type: Trailer Hub Bearings Kit_x000D_ Material: Steel alloy + metal alloy_x000D_ Quantity and OE:_x000D_ This trailer axle bearings kit includes 2 SETS, TOTAL 20PCS accessories._x000D_ 2PCS bearings (L68149), _x000D_ 2PCS races (L68111), _x000D_ 2PCS bearings (L44649), _x000D_ 2PCS races (L44610), _x000D_ 2PCS grease seals (171255TB, 1.719in I.D), _x000D_ 2PCS cotter pins, 2PCS dust caps (1.98in), _x000D_ 2PCS rubber plugs, _x000D_ 2PCS spindle nuts, _x000D_ 2PCS washers. Note: Please double check the part number of your item, matching information is for reference only.