40mm Square Stub Axle

$40.50$78.75

Brand: Couplemate Australian Made and Owned.

Australian-made stub axles.

SKU: 40SS Categories: , Tags: ,
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40mm Square Stub Axle

40mm square stub axle LM or otherwise known as a standard profile.

The axle length is measured from tip to tip. The Stub Axle is supplied with a nut, washer, and split pin.

The stub axle is supplied with a nut, washer, and split pin.

Welding a 40mm Square Stub into a 50mm tube with 5mm walls makes a good farm trailer.

Select from an electric or marine turn. Electric turn suits both electric and hydraulic backing plates. Marine turn suits marine or unbraked axles.

Hollow Axles

Hollow axles are rated the same as solid solids up to 1600kg.

How to install a stub into a hollow tube

  • Cut the tube to length, including the stub measurement.
  • Drill a hole no smaller than 12mm on all four sides. Mark the 50mm tube 25mm back from the end of the stub when inserted.
  • Insert the stub weld into place.
  • Weld the stub holes to secure the end of the stub into the tube.
  • Finally, the hollow axle stub must protrude past the springs and u-bolts once affixed into position.

LM Bearing Sizes are

Inner LM Bearing SizesID 31.75mmOD 59.10mm
Outer LM Bearing SizesID 19.05mmOD 45.20mm
LM SealID 37.5mmOD 59.10mm
Dust Cap45.20mm

Rated to 500kg per Stub or 1000kg per pair.

Dimensions

  • Tip to Shoulder, including thread 115mm
  • Square part 135mm

Electric vs Marine Turn Drawing

We recommend you use only Japanese Bearings.

It is common to slide 40mm stub axles into a 50sq tube and weld them into position for use on narrow trailers.

The links below contain a variety of stub axles we manufacture.

How undersized axles cause caravan parts to fatigue.

40mm Square Stub Axle

Additional information

Weight2.5 kg
Dimensions30 × 4 × 4 cm
Stub Length

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