Rock Solid 4 Pack Trailer Hub Grease Seals Double Lip Design Keeps Grease On Tap And Kicks Dirt Out For 5200 To 7000 Lb Axles 2.25 Inches By 3.38 Inches Keeps Bearings Humming

4 Pack Double Lip Trailer Bearing Seals For Heavy Duty Axles
✔️ 2.25 by 3.38 inch oil resistant rubber seal with tension spring band

This four piece trailer hub grease seal kit blocks road grime while locking lubricant inside your wheel bearings. Mechanics and haulers install these double lip units on standard and ez lube axles ranging from five thousand two hundred to seven thousand pounds to prevent burnt journals and roadside stops.

✅ Matches D42 spindle geometry and standard twelve inch hub bores perfectly
✅ Replaces Dexter one zero thirty six and National four five two nine two part numbers
✅ Cold weather nitrile compound prevents stiffening when temps drop low
✅ Steel garter spring squeezes lips against the shaft to hold fluid under load
✅ Four seals included so you get double coverage for tandem axle setups

💡 How do double lip trailer hub grease seals protect wheel bearings from failure?
The sturdy construction keeps contaminants away so your maintenance routine stays handy on the road.
- flexible nitrile lips rotate smoothly around spinning spindles and trap valuable lubricant
- steel tension rings apply continuous friction to stop sludge buildup and moisture intrusion
- compatible geometry swaps out worn factory units without requiring fancy tools or heat guns

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