Carbon steel self-lubricating bushings, also known as metal-polymer composite bearings or steel-backed bronze powder with PTFE (polytetrafluoroethylene) bushings, are a type of plain bearing that is designed to operate without the need for additional lubrication. These bushings are made of a steel backing with a porous bronze layer impregnated with PTFE (Teflon) and other additives, providing excellent self-lubrication properties.
The carbon steel backing of these bushings provides strength, rigidity, and resistance to corrosion, while the porous bronze layer provides excellent thermal conductivity and shock resistance. The PTFE and other additives in the bronze layer provide low friction and wear resistance, making the bushings ideal for high-load, low-speed, and oscillating motion applications.
Carbon steel self-lubricating bushings are commonly used in applications such as agricultural and construction equipment, automotive suspension systems, and industrial machinery. They offer several advantages, including reduced maintenance and downtime, longer service life, and improved performance in harsh and dirty environments. They can also operate in a wide range of temperatures and are resistant to corrosion.
These bushings are available in various sizes and dimensions to suit different applications and can be customized to fit specific requirements. However, they can be more expensive than other types of plain b
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