How to measure a trailer axle. Hook the end of a tape measure on the outside face of 1 of the trailer hubs.
Trailer axles — the specifications.
How to measure trailer axle spindle. I have included a picture for reference. How to measure trailer axles. Under slung mounts have the spring mounted below the axle and over slung mounts have the spring mounted on top.
A is the spindle shaft diameter. How to order an axle. All cambered axles should be mounted with the center bow up.
I need to repace 2 hubs on my very old 1959 boat trailer. These axle beams are engineered with a slight upward bend so that when the load is placed on the trailer, the axle beam deflects to the load condition, enabling the tires to ride flat on the road. In straight axles, you measure from the spindle centerline and axle main beam center line.
(the face is where the wheel sits against the hub.) the measurement from the center of one spring pad to center of the other. If you need trailer spindle parts, search our parts department for trailer axle spindles. The drawing also shows where to measure for a seal as well.
You want an axle that is similar to the one currently under the trailer to avoid any problems with clearance. Many trailer axles are cambered or 'road set' so there is a bow until weight is put on the axle. The measurement from the face of one hub to the face of the other.
This is built in at the factory, but you can specify the desired angle when buying a torsion axle. (generally adding 2” to the spring center measurement can determine the frame width.) also check out the common axles. Measurement # 2 = spring center.
Using the following diagrams you can determine your trailer axle alignment problem and get the proper parts to fix your trailer. Therefore, there is no drop. I have also included a link to our spindle main page for you.
There are a few common spindle sizes found on trailer axles rated at 3,500lbs or less. D is where the outer bearing sits. Trailer axle drop is the distance from the centerline of spindle to bottom of the main axle tube.
E is the thread diameter at the end of the spindle for the nut. The seals were leaking and sprayed grease all over my wheels and fenders. The spindle dimensions are as follows:
You will also need to measure the inside of the hub to find the right replacement. The hubs are the round discs that the wheels attach to (the discs that have the bolts from which. C is where the inner bearing sits.
B is where the grease seal sits. You can measure any axle on your trailer if there are more than 1. 1.select your axle based on the current style you currently have on your trailer.
The sizes for bearings and seals can be found by measuring the locations marked out below. To as a “cambered axle”. The measurements on the spindle will act as the inner diameter measurement on your bearings and seals.
Torsion style trailer axles handle the drop a little different. In order to correctly take this measurement you will need to measure from the center of the spindle to the center of the main axle tube. Determine which axle is bent using your straightedge and tape measure.
A drop axle just allows the trailer to sit lower, usually 4″ for a leaf spring style. Alignment of the rear axle (axles) is then made by checking the distance between the centre of the front axle and rear axle (axles) at both sides of the trailer. The spindle can be measured using calipers.
Trailer axle spring center is the distance between the center of one spring to the center of. How to measure an axle. A is the mounting dimension, b is the seal dimension, c is the inner bearing surface, d is the outer bearing surface and e is the diameter of the threaded portion of the spindle for spindle nut selection.
Most axles are standard with a cambered beam. Order your torsion axle » spindle size. It is optional on most axle orders.
They are, seal surface, inner bearing surface, outer bearing surface, and. It is best to measure the spindle and hub with a digital caliper like part # ptw80157. Measurement # 1 = axle track.
F is the spindle shaft length. When replacing a trailer axle try to determine how it was previously mounted. These are the most common axles found on boat trailers, small to medium sized utility trailers, snowmobile trailers, and more.
Some customers prefer to have no camber. There are 4 main areas of importance on the spindle to consider when purchasing a trailer hub or bearings. The hub face measurement is also called the track width or center of tire measurement.
In straight axles, you measure from the spindle centerline and axle main beam center line.