Terex
Floating seal for Terex HC230
This floating seal is designed for the Terex HC230 crane. It protects internal bearings and lubrication systems from external contaminants such as dust, mud, and water.
Parts diagram
Compatible models
Specifications
- Part number
- 0669 737 29
- Brand
- Terex
The floating seal, part number 0669 737 29, serves as a barrier within the Terex HC230 crane. It is engineered to prevent the ingress of abrasive environmental elements like sand, water, and mud into the internal machinery. By maintaining the integrity of the internal environment, this component ensures that lubricants remain clean and that bearings are shielded from debris that could otherwise cause premature wear.
This component is compatible with the Terex HC230 model. It consists of two precision-lapped metal rings that rotate against each other, maintained by the pressure of an elastic element such as an O-ring. This configuration allows the seal to effectively manage rotational movement while maintaining a tight closure against external pollutants.
Floating seals are commonly utilized in heavy machinery to protect critical drive and transmission components. They function by creating a face-to-face seal that remains effective even when the machine operates in challenging terrain or under significant mechanical stress, providing a consistent barrier that standard lip seals may not achieve in similar applications.

