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Hubs, Drums, Bearings, & Parts

5 Bolt on 4 1/2" Vortex Hub with 1 3/8" x 1 1/16" Bearings (L68149 x L44649) - Galv-X Finish


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Availability: Out of stock

Item # 81013
Number of Bolts: 5 bolts
Bolt Circle: 5 on 4 1/2"
Capacity: 1,750 lbs.
Manufacturer / Brand: Tie Down Engineering
Manufacturer Product #: 81013

Additional Information

Product Features


Tie Down Engineering has adapted the best features of grease and oil lubrication to develop the Vortex hub "no touch" system. The 81013 provides long term continuous bearing lubrication and ease of service or inspection. The Galv-X finish is a premium, non-rusting coating to protect the hub from corrosion. This hub is pre-greased and comes with the bearings, races, and grease seal installed.


Product Features:

  • Super strong threaded removable grease cap with O-ring
  • Cap design allows easy access to the spindle grease zerk fitting while maintaining a closed system
  • Vortex hubs are designed to be a no maintenance system lasting up to 100,000 miles or 6 years
  • Galv-X finish gives great protection against rust and corrosion making it an ideal option for marine applications
  • Pre-greased with Lucas Oil Marine grease
  • Lucas Oil Marine grease is a premium lithium based complex fortified with rust and oxidation inhibitors, high pressure additives and provides a high degree of moisture resistance and washout properties
  • Includes pre-pressed races, greased bearings, pre-pressed studs, and a flush pressed grease seal
  • Triple lipped, spring loaded grease seal provides a water tight fit
  • Fits onto standard 3,500 lbs. axles with tapered spindles
  • Features an external grease zerk fitting on the back of the hub
  • No need for periodic regreasing or inspection, ultimately cutting down cost


NOTE: To maintain the factory warranty, Lucas Oil Marine grease must be used when adding replacing grease in the Vortex hub.


Product Specifications:

  • Individual Hub Capacity: 1,750 lbs.
  • Axle Capacity: 3,500 lbs.
  • Bolt Pattern: 5 on 4 1/2"
  • Hub Height: 4 1/4"
  • Inner Bearing (included): L68149 (1 3/8")
  • Outer Bearing (included): L44649 (1 1/16")
  • Grease Seal Inner Diameter: 1.72"
  • Grease Cap: 48355V



  • (1) Vortex Hub, pre-greased and loaded
  • (1) Inner Bearing
  • (1) Outer Bearing
  • (1) Grease Seal
  • (1) Vortex Threaded Cap
  • (1) Cotter Pin
  • (5) Lug Nuts


NOTE: Caps with white "Vortex" lettering is no longer being manufactured by Tie Down Engineering


Tie Down Engineering/Dexter Marine of Georgia Part Number: 81013



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