Everything you need for a full axle hub bearing service in one box. The Lippert 2023133979 kit supplies matched L44649 bearing cones, L44610 bearing races, a 1.5" ID double-lip grease seal, a tang spindle washer, and a cotter pin -- all sized and spec'd for compatible Lippert trailer axle hubs.
Trailer wheel bearing service means replacing bearings, races, the grease seal, and the retaining hardware all at once. Mixing in old races with new cones -- or reusing a worn lip seal -- defeats the whole job. The Lippert 2023133979 kit puts every critical wear component in one package so you leave nothing to chance at the side of the road or in the service bay.
The L44649/L44610 combination is one of the most common tapered roller bearing sets used across Lippert-manufactured axles found on travel trailers, fifth wheels, toy haulers, and utility trailers. If your axle hub currently uses L44649 cones and L44610 races, this is your direct service kit.
Matched inner and outer L44649 tapered roller bearing cones sized for the L44610 cup races included in this kit.
Precision-ground L44610 cup races to replace both the inner and outer races in the hub bore during full service.
Double-lip design keeps grease in and road contamination out. Sized at 1.5" inner diameter for proper spindle fit.
Tang spindle washer and cotter pin included so the full reassembly is complete without a separate hardware run.
Grease is NOT included. Pack bearings with a high-quality lithium-complex or synthetic trailer-wheel bearing grease rated for the load and temperature range of your application before reassembly.
Tapered roller bearing races develop microscopic brinelling and wear tracks even when the damage is not visible to the naked eye. Installing new cones into a worn race accelerates failure and can lead to a wheel-off event on the highway. Always press in new L44610 races when installing new L44649 cones -- this kit makes that the default.
The L44649/L44610 bearing set is standard equipment on a wide range of Lippert axle configurations. This kit is designed for hubs that use an L44649 inner bore cone and seat into an L44610 cup race, with a spindle requiring a 1.5" ID grease seal. Typical applications include:
Confirm your existing bearing and race part numbers before ordering. The L44649/L44610 is a common set, but Lippert axles are also built with other bearing families depending on axle capacity and vintage. Check the stamping on your existing cones and races if possible.
This kit is also catalogued under vendor part number 09-8401 and UPC 848150067777. Use either number when cross-referencing with dealer or distributor inventory systems.
For a complete hub service, consider adding a new hub cap or grease cap, fresh bearing grease, and a torque wrench rated for spindle nut preload work. If your dust cap is dented or missing its rubber plug, replace it at the same time -- it is the first line of defense against water contamination.