45mm Round Stub Axle

$29.85$39.72 inc GST

Engineered for Quality



45mm Round Stub Axle

45mm Round Stub Axle is rated to 1450kg and used on larger trailers with limited width. Also used on motorcycle sidecars or motorbike trailers.

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

Australian MadeSeal Shoulder

The seal shoulder is an essential factor when selecting the correct stub.

  • Electric stubs have a seal that should set back 128mm for standard slimline bearings and 140mm for parallel bearings.
  • Marine stubs have a rear shoulder of 115mm to accommodate a marine seal.

Please measure the back shoulder before ordering.

Towing rated capacity

  • 750kg each or 1450kg per pair when installed on slimline bearings
  • 1600kg per pair when mounted on parallel bearings.

Suitable for welding onto a 45mm Square beam to create an overlay axle. Ideal overly is 50mm

Trailer Bearing Kit

  • Inner ID 35.00mm, OD 59.10mm
  • Outer ID 22.00mm, OD 45.20mm
  • Seal ID 43.9mm, OD 59.10mm
  • Grease Cap 45.20mm

We strongly recommend you use only Japanese Bearings.

If you wish for a more substantial capacity on your 45mm round stub, it is possible to use a parallel profile.

Reduce axle flex with a shorter length axle or larger diameter axle.

If your camper, caravan or trailer is around 2400mm in length then select a 45mm Square Axle for rating around the 1500kg mark.


Weld 45mm round axles in slimline or parallel configuration onto solid beam for use as an overlay axle.

Round axles provide a greater area of weld and penetration than square axles. The welded area is 50mm or greater.

Further, insert 45mm stubs into a 50mm square tube for shorter, lighter rigs. Drill and weld plug holes at the ends of the tube to provide help remove weld fatigue.

Purchase Spare Wheel Carriers here

Understanding trailer parts and various types of suitable axles and bad axles.

Purchase a variety of stub axle we manufacture here

How Vibration fatigue causes axle failure.

45mm Round Stub Axle

Couplemate Trailer Parts sells only the best quality 45mm Round Stub Axle and caravan spare parts throughout Australia.

Customers are welcome to either pickup or take advantage of our low freight rates. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart.

We also ship products to New Zealand via Australia Post Air Express.

© Steve Wotherspoon September 16, 2014. Images and text may be copied, provided a link back to the copied page and the source is displayed where the content or image is located.

Additional information

Weight N/A
Dimensions N/A
Stub Length

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Seal Shoulder



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