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A plain bearing is a bearing arrangement in which a component to be moved slides on a sliding surface. The purpose of plain bearings is to support or guide the parts that move relative to each other and to absorb and transmit the forces that occur in this process.
The sliding movement takes place between the bearing body and the respective mounted part. In radially moving bearings, the mobility of the sliding partners is ensured by the bearing clearance between the shaft and the bearing body. In axial bearings, the bearing clearance only occurs if the bearing has two axial surfaces assigned to a common shaft, the sum of the opposite sliding surface distances gives the bearing clearance.
Modern designs place ever greater demands on the sliding materials offered. The maintenance-free nature of the bearing arrangement is usually expected even under difficult operating conditions. In addition, constantly increasing cost pressure forces the permanent availability and use of the machines and plants used, whereby no restrictions on their reliability can be accepted.
Advantages
Due to the largely different properties of our plain bearings, even the most difficult requirements can usually be optimally met. Some are relatively insensitive to shocks, vibrations and jolts due to the material and the damping properties of the wing. Plain bearings mainly run quietly, are robust and often insensitive to dirt. They therefore rarely require additional sealing. Bearing bushes are also split, which can be advantageous for special designs.
Disadvantages
With some types of plain bearings a higher starting torque cannot be avoided. Some always require sufficient maintenance and lubricant supply. The efficiency of plain bearings can generally be assumed to be somewhat lower than that of rolling bearings.
PREFERENTIAL USE

• For bearing arrangements with low speeds, for swivel or axial movements, for shock loads and dirt loads.
• For bearing arrangements with universal requirements, in agricultural machinery, construction machinery, vehicle construction, etc.
• For bearings that require high resistance to temperature and corrosion.
• For bearings that must achieve a long service life or long service life, e.g. for water and steam turbines, generators, centrifugal pumps, heavy ship shaft bearings.

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• Mechanical and apparatus engineering
• Textile Machinery
• Office machines
• Printing Machines
• Vehicle construction
• Applications that are exposed to weather conditions
• Hydraulic Pumps
• Chemical plants