Marginal Bearing mg-ps powder metallurgy sintered bearing with solid lubricants a specialized manufacturer of self-lubricating bearings & bushings, Marginal Bearing who was founded in the year 2010, is devoted to developing and manufacturing new self-lubricating bearing materials.
MG-PS is a self-lubricating bearing manufactured using powder metallurgy technology and uniformly filled with solid lubricants. It is also commonly known as a sintered copper-based solid-lubricant bearing or an oil-impregnated graphite copper bushing. Rather than simply cutting materials, it is a porous composite material bearing created by mixing metal powder with solid lubricant powder, pressing and forming it, and then sintering it at high temperature.
Its core value lies in its integrated "material-structure-lubrication" approach.
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Self-lubrication:
During bearing operation, the solid lubricant evenly distributed in the matrix continuously and slowly transfers to the countershaft surface, forming an extremely thin solid lubricant film, achieving continuous self-lubrication.
Advantages: Suitable for applications where lubrication is not possible or maintenance is difficult.
Wear Resistance and Long Life:
The solid lubricant film avoids direct metal-to-metal contact, significantly reducing the wear rate.
Advantages: Long service life and stable operation.
High Load Capacity:
The metal matrix provides excellent mechanical strength, capable of withstanding high static and dynamic loads.
Advantages: Suitable for high-load conditions.
Low Noise and No Pollution:
Smooth and quiet operation without the oil splashing associated with grease lubrication.
Advantages: Ideal for applications requiring high cleanliness, such as office equipment, household appliances, and food processing machinery.
