45mm – 50mm Square Overlay Axle

45mm – 50mm Square Overlay Axle


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Square overlay axle for horse floats, boat trailers, car trailers or any trailer where you want a low centre of gravity.

made in australia45mm Axle Specifications

  • 45mm Solid Beam
  • Stub Axle to suit SL or parallel bearings
  • Overlay portion is 50mm
  • Weld Rings to suit 10" Electric Brakes

50mm Axle Specifications

  • 50mm Solid Beam
  • Stub Axle to suit 2t bearings
  • Overlay portion is 50mm
  • Weld Rings to suit 12" Electric Brakes

After ordering we require the following information because we like it right the first time.

  1. Wheel Backspace
  2. Outside to Outside Chassis width
  3. Pick up is recommended, however, we can use your transport or give you a price for our carrier.

All our Overlay Axle SL are built identically with zero variation in camber.

10"  or 12" Electric Weld rings are included to make it easy to unbolt and then reassemble your existing brake setup.

Review 50mm parallel overlay axles here

Other available hanger kits

How to calculate the face-to-face measurement.
  1. Measure the offset wheel. The wheel offset is the distance between the inside of the hub and the outside of the rubber.
  2. Add 50 mm to the offset. Alternatively, choose your own distance between the rubber and the chassis.
  3. Multiply by 2 for both sides. Add your chassis width to the above number.

Metric to Imperial Converter

Convert Imperial (inches) to metric (mm)

  • =

Still unsure of what measurements to take? Check out this handy guide below:

[P] - Check material specifications. What size and profile is the axle (for example, 45mm Square)
[T] - Overall axle length (tip to tip)
[F] - Hub face to hub face measurement
[A] - Chassis width
[C] - Tyre clearance
[B] - Back offset
[H] - Tyre to chassis
[G] - Axle pad centres

How To Measure An Axle

Identifying Bearing Combinations

You will also need to identify your bearing combination which can be done by pulling off a hub and bearings, and locating the number laser engraved onto the bearing. You will require both the inner and the outer bearing number.

Where to identify bearing number. Look for the laser engraved number on the bearing.

Square Overlay Axle | Slimline | Parallel | 2t | Profile

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