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Trailer Leaf Spring | Double Eye | 2 Leaves | 500 lbs. Capacity


8 In Stock as of August 11, 2022 4:00 PM EST.

Double eye utility trailer spring is made from the highest quality steel. 1.75 inches wide, 26 inches long with 500 lbs. capacity per spring.

Product Specs for UCF UNA-121

  • Number of Leaves:2
  • Width:1.75 inches
  • Steel Thickness:.259 inch
  • Free Length (C):26.00 inches
  • Length (A):14.03 inches
  • Length (B):14.03 inches
  • Arch (H):4.13 inches
  • Capacity:500 lbs. each
  • Bushing ID9/16 inch
  • MPN: UNA-121
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UCF UNA-121 Details

Our high quality double eye trailer springs are sold individually, but it is recommended to change them in pairs. Double eye trailer leaf springs are painted black and include the bushings.

Customer Q&A - UCF UNA-121

what is the size of the included bushing with these springs. My bolt measures .562, Thanks

These MTS-121 trailer springs use a 9/16" ID bushings. So these will match your .562 diameter measurement.

What are the dimensions/specs on the smaller leaf?

The dimensions on the smaller leaf used in this trailer leaf spring is 9-1/4" x 9-1/4" Square cut. 259 steel

What is the maximum compression distance of this spring? What is the maximum load and compression distance without the 2 leaf?

This leaf spring will take 340 lbs. to compress the spring 1 inch. Without the 2nd leaf the max load is 270 lbs and it will take 120 lbs to compress 1 inch.


UCF Warranty

1 Year Limited Warranty

UCF warrants its products against defects in workmanship or material for a period of 1 year.

What the warranty does not cover

Corrosion. Damage due to impact, accident, misuse, overloading or improper installation.

How to get service

If a UCF product fails as a result of a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.

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