Graphite Embedded Bushing
Graphite-embedded bronze bearings are self-lubricating bearings made by opening holes of appropriate size and orderly arrangement on the metal friction surface of the bearing substrate and then embedding the formed solid lubricant with self-lubricating properties in the holes. It can be applied to a special environment that does not rely on oil film lubrication or less oil lubrication.

Spherical Oilless Bushing
The spherical oilless bushing is made of a high-quality low carbon steel base, sintered spherical bronze layer in the middle of the base as an intermediate layer, and then rolled on the surface with modified polyformaldehyde with an oil storage pit. Under the boundary lubrication condition, it can be used for a long time without oiling.


Self-Lubricating – Mining Machinery Bearing
Self Lubricating Bronze Bushings Are Widely Used In Mining Machinery, Marine Machinery, Aviation, And Other Fields.
Mining machinery is often subjected to harsh production conditions and complex working conditions, which pose a great challenge for maintenance and servicing. In particular, articulated joints and rotary mechanisms, which cannot be lubricated regularly due to space constraints, often suffer from rapid wear or structural failure, failing coal mining machinery.
Self-lubricating bearings offer a new solution to the problem of poor lubrication in coal mines because of their high load-carrying capacity, adaptability to the environment, and maintenance-free performance.
Spherical Plain Bearings in Excavator Frame Articulating Ears
The articulated lugs between the drill frame and the frame, and between the frame and the slide frame of the anchor digger are often subjected to frequent vibration and shock loads, and it is difficult to maintain and lubricate them due to space constraints, which often leads to the failure of the joint mechanism, resulting in the failure of some functions.
Costing Save & Long Life Spherical Plain Bearing
Therefore, the use of Spherical Plain Bearings at the articulated ears of coal mining machinery can not only extend the service life of the frame and trunnion but also achieve the purpose of reducing manpower and increasing efficiency.


Application Of Steel Oilless Bearing At The Redirecting Sprocket
The redirecting sprocket located in the transportation section of the anchor digger is used to change the direction of the scraper chain, and the copper sleeve of the redirecting sprocket will be worn severely after 30-60 d, but the wheel body is not worn.
- copper sleeve lubrication is not in place
- It is difficult to refill the lubricant.
- As the redirecting sprocket needs to rotate with the scraper chain movement, it is subjected to the cyclic impact of heavy load and low speed.
- The working space is limited, the environment is complicated, the operation is inconvenient, and regular maintenance cannot be guaranteed.
After the copper sleeve was finally changed from tin bronze material to inlaid graphite bearing with Gcr15 matrix, the life of the redirecting sprocket was extended from 30-60d to 210d without any failure.
HIGHLY EXPERIENCED HANDYMEN
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Bronze bearings are a good option for mining machinery applications. The oilless material has a low coefficient of friction so these bearings can be used without lubrication.
Whether You’re Ready For Production, Prototyping, Or Exploratory We Can Help. Contact Us Today And Send Us Your Designs, And We’ll Get You On The Right Track.
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Subject to dirty, humid, cold, abrasive and wet conditions, greased bronze bushings traditionally used in mining equipment require regular maintenance.

Self-Lube Bushings for Mining Applications
At our company, we take pride in designing and manufacturing high-quality Self-Lube Bronze Bushings explicitly engineered to thrive in the demanding conditions of the mining industry. Our standard oilless bushing products consistently demonstrate excellent performance across various scenarios, including high-speed rotational and linear motion, providing both robustness and reliability.
Our bronze graphite bearings, a staple in the mining industry, ensure superior performance by reducing friction and increasing overall durability. These bearings present an economical choice for medium and low-speed linear motion applications, offering superior value for the investment.
As a global supplier offering a diverse range of oilless bushing sizes, we provide versatile solutions designed to meet the demanding requirements of the mining industry. By partnering with us, mining companies can ensure that their equipment runs smoothly, downtime is minimized, and productivity is optimized.
Key Features of Self-Lube Bushings
1. Lubrication Mechanisms:
Self-lube bushings employ advanced lubrication mechanisms, such as solid lubricant films and oil-impregnated materials. These mechanisms ensure a consistent and reliable source of lubrication, eliminating the need for frequent manual interventions. In mining applications, where accessibility can be a challenge, this feature significantly reduces downtime and maintenance costs.
2. Material Durability:
Materials selected for self-lube bushings are chosen for their exceptional durability and resistance to wear. In mining environments where heavy loads and abrasive materials are commonplace, the robustness of these components becomes crucial. Self-lube bushings withstand the harsh conditions, ensuring a prolonged lifespan and minimizing the risk of premature failure.
3. Customization Options:
Manufacturers offer customization options for self-lube bushings, allowing mining companies to tailor the components to their specific equipment and operational requirements. This flexibility enhances the adaptability of these bushings to diverse mining setups, ensuring a precise fit and optimal performance.


Comprehensive Lineup at BronzeOilless.com
BronzeOilless.com offers a comprehensive lineup of bearings tailored to diverse needs in the mining sector. Our bearings are specially designed to handle high pressures of up to 70 MPa (10,000 psi), withstand temperatures of up to 80°C (176°F), and excel in severely abrasive environments. Whether facing extreme pressures, heat, or abrasive materials, our bronze bushings outperform traditional greased bearings, eliminating operational and labor costs associated with frequent maintenance.
All our oilless bearings are grease and oil-free, built to last, making them the perfect replacement for greased bronze applications in mining. With a proven track record of meeting and exceeding the needs of the most demanding and challenging working conditions, our bearings are the reliable choice for enhancing the efficiency and longevity of mining equipment.
Standard/CNC Machining
supplier that offers a vast selection of high-quality bronze Products to the tooling and dies industry.
Mining Graphite Bearing Technology – Oilless Bushing Technology – Bronzeoilless.com
Employing the latest in mining graphite bearings technology to improve your drilling bearing. Improving efficiency, productivity and overall profitability with bronzeoilless.com. Improve precision graphite bronze bearing. For Mining & Construction. Increased Productivity. Reduce Setup Times by 80%.
Huge Material Selection
A graphite/bronze alloy, cast bronze metal, graphite and plugged graphite with lubricate; it is a uniform, solid, self-lubricating bushing material.
Our Responsibility
Graphite bearings are one of the key components of mineral extraction – expertise in precision bearings determines efficient manufacturing in the mining industry, and nothing is more important to the mining industry than worker safety and being a good neighbor and steward of the environment.