Putzmeister
Rotary shaft seal for Putzmeister
This rotary shaft seal is used in Putzmeister equipment to prevent fluid leakage at rotating shaft interfaces. It acts as a dynamic seal to contain internal lubricants while excluding external contaminants.
Specifications
- Part number
- 285088009
- Brand
- Putzmeister
The rotary shaft seal 285088009 functions as a dynamic sealing component within Putzmeister machinery. It is designed to be installed where a rotating shaft passes through a housing, serving to contain hydraulic fluids or lubricating oils within the system. Simultaneously, the seal acts as a barrier to prevent the ingress of external contaminants such as dust, dirt, or moisture into the mechanical assembly.
This component is engineered for use across various Putzmeister equipment platforms that utilize rotating shafts, such as concrete pumps and material handling systems. The seal consists of a sealing lip that maintains contact with the rotating shaft and a metallic outer casing for secure installation into the housing bore. It often incorporates an internal spring to maintain consistent pressure against the shaft surface, accommodating minor misalignments or vibrations during operation.
Rotary shaft seals are essential for protecting internal bearings and gear assemblies from abrasive particles and fluid loss. By maintaining a tight seal, these components ensure that lubrication remains within the intended system, which is necessary for the proper operation of rotating mechanical parts. Regular inspection and maintenance of these seals help prevent fluid leaks that could otherwise lead to system contamination or loss of pressure within the machine.

