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Ultra-Tow XTP Ultra-Pack Trailer Hub, 4 on 4in. 1250-Lb. Capacity

Item# 572041
Ultra-Tow XTP Ultra-Pack Trailer Hub, 4 on 4in. 1250-Lb. Capacity

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Ultra-Tow XTP Ultra-Pack Trailer Hub, 4 on 4in. 1250-Lb. Capacity

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$74.99

  • Shipping: 

    Free shipping (lower 48 states) - Available now
    $19.99 Same Day

  • Store Pickup: 

    6 in stock at Fredericksburg VA - Pickup in under 1 hr

  • Ultra-Pack system to easily repack bearings with grease
  • High-speed marine-grade hubs
  • High-quality cast iron construction
  • Includes dust cap installation tool

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  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

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Product Summary

The Ultra-Tow XTP Ultra-Pack Trailer Hub is a fully assembled, prelubed hub designed to simplify bearing maintenance and extend service life. Its proprietary Ultra-Pack greasing system allows bearings to be repacked through an integrated zerk fitting without hub removal, pushing old grease out the front for a complete refresh while protecting the rear seal.

What's Included

    (1) Ultra-Tow XTP Ultra-Pack Trailer Hub
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Features + Benefits

  • Ultra-Pack system to easily repack bearings with grease
  • High-speed marine-grade hubs
  • High-quality cast iron construction
  • Includes dust cap installation tool

Key Specs

AttributeSpecification

item#

572041

Brand

Ultra-Tow

Manufacturer's Warranty

2 year limited warranty

Ship Weight

6.73 LB

Studs (qty.)

4
AttributeSpecification

Bolt Circle Pattern

4 in

Weight Capacity Each

1,250 lb

Seal Size ID

1.25 in

Spindle Size

1 in

Reviews

Questions & Answers

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Questions

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  1. What size bearing buddies do I need for this hub

    1 answer

    1. This hub does not require any bearing protectors as it is already equipped with a dust cap. If you are wanting to replace the dust cap, a 1.98" bearing protector can be used.

      Helpful?

  2. Is this for a 1inch axel 

    1 answer

    1. This hub will fit a 1" axle spindle.

      Helpful?

  3. Will it fit the Ultra Tow 4x8 foldable aluminum trailer?

    1 answer

    1. This trailer hub does not fit the Ultra Tow folding trailer kit.

      Helpful?

  4. What is the hub depth?

    1 answer

    1. The length of the hub is 4 1/4" with out the dust cap and 5 5/8" with dust cap.

      Helpful?

  5. Will this work with spindle 5712453. Thanks

    1 answer

    1. This hub will work with the axle spindle, item 5712453.

      Helpful?

  6. Will 25mm bearings work on a 1” spindle?

    1 answer

    1. Using a 25mm bearing is not recommended with the 1" spindle. The fit of the bearing would be loose and sloppy.

      Helpful?

  7. Are the whole 3" apart

    1 answer

    1. This is a 4 on 4" hub. The adjacent studs are 2" apart.

      Helpful?

  8. Axle size and seal size dimensions in specs are backwards Correct dimensions Axle: 1” Seal: 1.25”

    1 answer

    1. The seal inside diameter is 1". The outside diameter of the seal is 1-1/4". This is compatible with a spindle like item #5712451. This is a 1-/4" spindle. The 1" diameter end of this spindle would fit through the hub.

      Helpful?

  9. what is the diameter where the wheel goes on the hub? I just bought new wheels and tires. The new wheel center hole is 2 3/4" the old wheels and hubs are 2 1/2".

    1 answer

    1. This hub requires a rim center hole (pilot) diameter of at least 2-1/2". A rim with a 2-3/4" pilot would fit this hub.

      Helpful?

  10. What is the size of the splines on the wheel studs. I know the studs are 1/2" x 20 x 2" but needing to replace one but find them with .54" and .63" splines?

    1 answer

    1. The spline size is 13.4 MM (0.52").

      Helpful?

Warranty

Manufacturer's Warranty

2 year limited warranty

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Ultra-Tow XTP Ultra-Pack Trailer Hub, 4 on 4in. 1250-Lb. Capacity
4.6 out of 5 stars. 32 reviews

Ultra-Tow XTP Ultra-Pack Trailer Hub, 4 on 4in. 1250-Lb. Capacity

Item # 572041

$74.99