DiaCCon GmbH

Radial Bearings with Coating on the Inside



Mechanical seals and bearings made of silicon carbide (SiC) are subjected to the widest range of possible loads in the chemical industry. Inadequate lubrication, third-body wear and temporary dry running frequently occur and they can lead to rapid failure of the components. As a new generation of sliding couplings, the ultra-hard and low-friction finish of diamond-coated SiC surfaces (not to be confused with DLC!) offers a solution to this problem. No changes need to be made to the design; all that you need to do is replace the uncoated SiC components with ones that have a diamond coating. DiaCCon has been manufacturing mechanical seals and sliding bearings coated with crystalline diamond on an industrial scale since 2002 and is therefore one of the pioneers of this new technology.

Ring diameter:

up to 350 mm

Coatable components:
Mechanical seals, axial bearings, radial bearings (coating on the inside and outside)

Coatable dimensions:
Ring diameter:    up to 350 mm
Radial bearing (coating on the outside):    up to l = 500 mm and d = 170 mm
Radial bearing (coating on the inside):    up to d = 350 mm
Diamond layer types:

  • 6 µm (mechanical seals)
  • 10 µm (sliding bearings)

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