What size spindle is on a 3500 lb axle?

3500 lb axles have the most common and most consistent spindle sizes. They are typically 1.73 inches at the seal, 1.38 inches at the inner bearing and 1.06 inches at the outer bearing like # TRU24FR.

Can you replace spindles on a trailer?

Expert Reply: To replace a spindle, the old one would need to be cut off, and the new one welded into place. This is NOT a job for the do-it-yourselfer. The new spindle must be absolutely square with the axle in order to prevent premature tire wear and wheel tracking problems.

What size is a #84 trailer spindle?

A #84 spindle, like # TRU24FR or # TRU47FR is bigger and is used for 3,500 lb axles. Common sizes for these are 2-3/8 inch round axle, 3 inch round axle, and 2 inch square axle.

What diameter is a 3500 lb axle?

2-3/8 inch
This tubular trailer axle has a 3500 pound capacity and is 72 inches long from hub face to hub face. The trailer axle diameter is 2-3/8 inch and comes equipped with brake flanges and spindles.

How do I know what size bearings I need for my trailer?

The easiest way to determine which bearings are used on your trailer axle is to take the hub off and check for the numbers stamped into the bearings. If the bearing numbers cannot be read, the next best solution is to find the bearings’ inner diameter.

What size spindle do I need?

The best way to find out which spindle length you need is by looking up the specs. (The alternative is trial and error…) Spindle length and the resulting chainline have some leeway. If you are within 2-3 mm of the “correct” 43.5 mm or 45 mm, you are doing quite well.

How do I know if I have 84 spindle?

An 84 spindle would measure 1.06 where the outer bearing rides, 1.38 where the inner bearing rides, and 1.73 where the seal rides. For a hub with a 6 on 5-1/2 inch bolt pattern that would fit an 84 spindle you’d need the part # AKHD-655-35-EZ-K.

Are all 3500 lb axles the same?

In almost all cases 3,500 lb axles will all use the same bearings. If your trailer has a Lippert or Dexter 3,500 lb axle then yeah they would be the same. But to be safe it won’t hurt to pull them off and get the numbers.

How many lugs does a 3500 lb trailer axle have?

5 lug
Specs: 3,500 lbs Trailer Axle (3.5K Capacity) Tube: 2 3/8″ 5 lug.

How do you remove a spindle from a welded trailer?

Trailer spindles are welded directly to the axle so to remove one it just needs to be cut off completely using a torch or saw. Then to replace the spindle such as with the EZ Lube # TRU37FR that you were looking at it’s extremely important that it be done by a certified welder who is experienced with this type of job.