Hitachi
Floating seal for Hitachi KH180
This floating seal is designed for the Hitachi KH180 crawler crane. It provides a mechanical barrier to protect internal bearings and gear assemblies from external contaminants.
Compatible models
Specifications
- Part number
- 4514259
- Brand
- Hitachi
The 4514259 floating seal is a mechanical component engineered to protect internal bearings and gear systems from environmental contaminants. It functions as a duo-cone seal, consisting of two precision-machined metal rings held in contact by rubber O-rings. This configuration creates a barrier that prevents the ingress of dust, dirt, water, and mud while simultaneously retaining internal lubricants within the machine assembly.
This component is specifically compatible with the Hitachi KH180 crawler crane. It is designed to fit within the undercarriage or drive systems where protection against abrasive environments is required. The seal maintains contact between its faces to ensure effective isolation of the internal components during operation.
Floating seals are used in heavy machinery to protect rotating components from harsh operating conditions. By maintaining a constant seal face pressure, they prevent the leakage of oil and the entry of debris into critical areas such as final drives, rollers, and sprockets. Proper sealing is necessary to prevent premature wear and failure of these mechanical systems.

