For sale is one complete hub & stub axle. This is genuine "SPP" Steelpress Production, manufacture...For sale is one complete hub & stub axle. This is genuine "SPP" Steelpress Production, manufactured in Europe. The hub can be used for road trailers, lawn mowers & garden trailers, ATV quad trailers, buggies, karts, small agricultural machinery. This hub is rated to 80mph, they are fully legal to use on the road in Europe and the UK. They have sealed precision ball bearings, they never need to be greased. The hub has 4 x M12 studs, the PCD is 100mm. The shaft is 40x40mm square - 125mm long (solid steel) with rounded edges for ease of fitment. Weight capacity is 450kg (900 per pair).
This SPP Hub & Stub Axle (HU1004) is designed for a variety of light-duty trailers and machinery, offering a robust and low-maintenance solution for users needing a reliable wheel mounting system. Its key benefit is the sealed, pre-greased bearings, eliminating the need for regular greasing. A minor caveat is its specific 4xM12 stud pattern and 100mm PCD, requiring compatible wheels.
All features
Model Part Number
HU1004
Brand
SPP
Extended Product Information
FAQs
Do these bearings need greasing?
No, the hub features sealed precision ball bearings that come pre-greased and require no further lubrication.
What is the maximum load capacity?
Each hub is rated for a maximum weight capacity of 450kg. For a pair of hubs, this equates to a total capacity of 900kg.
Is this hub legal for road use?
Yes, this hub is rated to 80mph and is fully legal for use on public roads in both the UK and Europe.
What size wheel fits this hub?
This hub is designed for wheels with a 100mm Pitch Circle Diameter (PCD) and 4 x M12 studs.
What is the shaft size?
The shaft is a 40x40mm square solid steel section, measuring 125mm in length.
Can I use this on a car trailer?
Yes, provided the trailer's weight does not exceed the hub's capacity and it's used with compatible wheels and a suitable mounting bracket.
Troubleshooting
Wheel wobbles or feels loose.
Check that the wheel nuts are securely tightened to the correct torque. Ensure the wheel is correctly seated against the hub face.
Hub makes noise during rotation.
While the sealed bearings are designed to be quiet, any grinding or excessive noise may indicate a bearing issue. Inspect for damage. If noise persists, replacement may be necessary.
Stub axle does not fit mounting bracket.
Verify that the mounting bracket is precisely 40x40mm square and that no internal obstructions are present. Ensure the shaft is inserted fully.
Pros and Cons
Pros
Low maintenance due to sealed bearings.
Certified for road use in Europe and the UK.
Durable European manufacturing.
Versatile for a range of applications.
High load capacity for its size.
Cons
Specific stud pattern (4xM12) and PCD (100mm) may limit wheel choices.
Shaft length (125mm) is fixed and may not suit all frame designs.
Requires a compatible 40x40mm square mounting bracket.
Setup, Compatibility & Care
Setup:
Ensure you have a compatible mounting bracket designed for a 40x40mm square section.
Securely weld or bolt the stub axle into the mounting bracket, ensuring it is perfectly aligned and perpendicular to the frame.
Mount a wheel with a 100mm PCD and 4 x M12 stud compatibility onto the hub.
Tighten wheel nuts to the manufacturer's recommended torque setting.
Compatibility:
Shaft: Requires a 40x40mm square mounting point.
Wheels: Compatible with wheels featuring a 100mm PCD and 4 x M12 wheel studs.
Load: Maximum 450kg per hub (900kg per pair).
Care:
The sealed bearings are maintenance-free and should not be opened or greased.
Periodically inspect the hub and studs for any signs of damage or wear.
Clean the exterior of the hub with a damp cloth if necessary. Avoid high-pressure washing directly at the bearing seals.