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Sliding bearing manufacturing materials
May 18, 2018

1) Metallic materials, such as bearing alloys, bronzes, aluminum-based alloys, zinc-based alloys, etc.


Bearing alloy: bearing alloy also known as white alloy, mainly tin, lead, bismuth or other metal alloys, due to its good wear resistance, high plasticity, good run-in performance, good thermal conductivity and good resistance to glue and good and oil The adsorption is good, so it is suitable for heavy load, high-speed circumstances, the strength of the bearing alloy is relatively small, the price is more expensive, must be cast on the bronze, steel belt or cast iron bearing shell to form a thin coating.


2) Porous Metal Materials (Powder Metallurgy Materials)


Porous metal material: Porous metal is a powder material. It has a porous structure. If it is immersed in lubricating oil, the pores are filled with lubricating oil and become oil-retaining bearings with self-lubricating properties. The porous metal material has low toughness, and is only suitable for stable impact-free loads and medium and small speed conditions.


3) Non-metallic materials


Bearing plastic: Commonly used bearing plastics are phenolic plastic, nylon, PTFE, etc. Plastic bearings have greater compressive strength and wear resistance, can be lubricated with oil and water, and also have self-lubricating properties, but poor thermal conductivity.


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