Link-Belt
Seal for Link-Belt LS278-H
This seal is designed for the Link-Belt LS278-H crawler crane. It functions to contain lubricants within mechanical assemblies while preventing the entry of external contaminants.
Compatible models
Specifications
- Part number
- 3J14847
- Brand
- Link-Belt
The 3J14847 seal serves as a containment component within the mechanical systems of the Link-Belt LS278-H crane. Its primary purpose is to retain lubricating fluids within housings, such as gearboxes, axles, or bearing assemblies, while simultaneously acting as a barrier against external environmental contaminants like dust, moisture, and debris. By maintaining a secure seal, this component ensures that internal moving parts remain properly lubricated and protected from premature wear during operation.
This part is specifically engineered for use in the Link-Belt LS278-H crawler crane. It is designed to interface with rotating shafts or housing bores to provide a consistent seal under operational conditions. Proper installation of this seal is necessary to maintain the integrity of the crane's transmission and undercarriage systems, ensuring that fluid levels remain stable and that the internal environment remains free from abrasive particles that could otherwise compromise the function of bearings or gear sets.
In heavy machinery, seals of this type are utilized to isolate mechanical systems from the surrounding environment. They provide a dynamic or static interface that prevents fluid loss and protects sensitive internal components from the ingress of dirt or water, which is essential for the continued operation of heavy equipment assemblies.

