Bearing Bushes for KNOTT Overrun Devices and Brake Actuators
For KNOTT overrun devices, high-quality bearing bushes are essential for optimal performance of coupling dampers, trailer brake actuators, and surge brake units. These components ensure smooth operation and reliability for tow hitch dampers and braking mechanisms.
- ✔ Precision-fit for various KNOTT models and tie rod sizes
- ✔ Durable materials for long-lasting function in braking systems
- ✔ Easy installation, including snap lock versions for secure fitting
- ✔ Supports consistent performance in coupling dampers and surge brake units
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Frequently Asked Questions
The overrun device is the component between the coupling and the drawbar. Typical signs of wear:
- Defective shock absorber on the overrun device: The trailer sways noticeably when braking and setting off; the combination feels unstable. A leaking or oil-soaked shock absorber clearly needs replacing.
- Drawbar stiff or worn out: If it can only be pushed in with a jerk or has noticeable play up and down, the bearing sleeves or drawbar are worn. Replacement: Bearing sleeves and drawbars.
- Torn bellows: Water and dirt penetrate through the tear — and this is precisely what subsequently ruins the bushings and drawbar. A torn bellows is a minor issue, but the resulting damage can be costly. Therefore, check the following during your annual inspection: bellows.
- Handbrake lever: If it is too easy to pull, no longer holds, or the spring has lost its tension, the trailer will no longer be reliably secured when stationary. Replacement: handbrake lever.
Rule out the simple causes first: before replacing the entire overrun braking system, check the brake cables, linkage and adjustment. Weak braking performance is far more often caused by stiff cables than by the overrun braking system itself.
Repair or replace completely? Replacing individual parts is worthwhile as long as the drawbar itself is in good condition. If it is warped, heavily rusted or worn out, replacing the entire overrun braking system is the better option — when you add up the cost of the individual parts, the total is often in the same ballpark anyway.
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Product Overview
Our range of bearing bushes for KNOTT overrun devices is specifically designed to support the smooth operation of coupling dampers, trailer brake actuators, and surge brake units. Available in both 45mm and 50mm sizes, these bushes are compatible with a variety of KNOTT types, including both traditional and snap lock versions. Each set contains two pieces, ensuring you have the necessary components for effective maintenance or repair of tow hitch dampers and braking mechanisms.
Key Features & Benefits
These bearing bushes are manufactured from robust materials to withstand the demanding conditions experienced by braking mechanisms. Their precise fit ensures minimal play and optimal force transmission within coupling dampers and trailer brake actuators. The availability of snap lock versions allows for quick and secure installation, reducing downtime and improving efficiency when servicing surge brake units. By maintaining the integrity of your tow hitch dampers, these bushes help ensure reliable braking performance and extended service life.
Selection Guide
When selecting bearing bushes for KNOTT overrun devices, it is important to match the correct size and version to your specific model. Our range covers both 45mm and 50mm tie rods, suitable for various KNOTT types such as KF 13, KF 17, KF 20, KF 27, and KF 30. Snap lock options are available for newer models, providing added convenience during installation. Carefully check your device’s specifications to choose the most compatible product for your coupling damper or trailer brake actuator.
Applications
These bearing bushes are ideal for use in the maintenance and repair of KNOTT overrun devices, including coupling dampers, surge brake units, and tow hitch dampers. Whether you are servicing trailers, caravans, or other vehicles equipped with KNOTT braking mechanisms, these components ensure reliable and consistent operation. Their robust construction and precise design make them a trusted choice for professionals and DIY users alike.
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