Manufacturers of collar bushes

A flanged bushing is a cylindrical sleeve featuring an integral collar that functions as a defined axial stop and load-distributing surface.

It is designed to guide rotating or sliding components, stabilise load-bearing interfaces and protect adjacent parts from wear.

Typical applications include mechanical assemblies in automotive systems, machinery and electromechanical devices where precise positioning and controlled force transmission are required.

Cold-extruded collar bushings achieve high dimensional accuracy and increased material strength through controlled strain hardening under compressive forming forces.

Unlike turning, which removes material to generate geometry, cold extrusion forms the component in a near-net-shape process. This reduces material waste, improves fibre flow and enhances load-bearing capacity and wear resistance.

The result is a structurally robust component with consistent quality across large production volumes.

Collar bushings can be manufactured from a wide range of materials depending on load requirements, operating conditions and functional demands.

Carbon steels are typically selected for high load-bearing capacity and structural rigidity.
Stainless steels provide corrosion resistance in aggressive operating conditions.
Aluminium enables weight reduction where mass is critical.
Copper and brass alloys are used in tribological applications, offering good sliding properties and inherent lubricating characteristics.

Material selection is always determined by the mechanical, thermal and environmental requirements of the application.

Collar bushings can be used as bearing or guide elements in assemblies. The collar often serves as a retaining surface that prevents the bushing from slipping out. In applications such as motors or door locks, flanged bushings ensure the precise guidance of shafts and rotating parts. Plain bearing flanged bushes are used in particular in applications where low friction and high load capacity are required.

Collar bushings are integrated into mechanical assemblies as bearing and guide elements to stabilise rotating or sliding components.

The collar provides defined axial retention, preventing displacement under load while ensuring precise positioning within the housing.

In applications such as motors, locking systems or drive units, they support controlled force transmission and protect adjacent components from wear.

Plain-bearing variants are particularly suited to applications requiring low friction combined with high load-bearing capacity.

Collar bushings are manufactured to tight dimensional tolerances, ensuring reliable fit and consistent assembly behaviour.

Depending on geometry and material, tolerances in the hundredth-of-a-millimetre range — and in selected cases within the micrometre range — can be achieved.

Cold extrusion enables high repeatability across large production volumes, maintaining consistent diameter, roundness and concentricity.