Center cut flange Oilless bearing
Center cut flange Oilless bearing
Self-lubricating bronze bearings are engineered for applications where external lubrication is impractical. Solid lubricants are compressed and molded directly into the bearing to guarantee a maintenance-free product. No additional lubrication is necessary.
Center Cut Flange Oilless Bearing flanged bronze bushing
Center cut flange Oilless bearing is the self-lubricating bush which is based on the metal friction surface of the bush basement where holes are spread reasonably in the proper size and a specific solid lubricant that has a self-lubricating function is inserted, This kind of bush has included the advantages of the metal basement and lubricant materials that have the specific direction for producing chemicals. It has broken in the limit of general bush that depends on an oil film. Oilless bush is especially applied in oil-free high temperature, high load, low speed, contamination resistance, corruption resistance radiation resistance as well as used under such special work conditions that cannot be lubricated, such as underwater and in vacuum space. The products are widely applied in metallurgy and steel-rolling equipment, mine machinery, shipping machinery, shipping industry. Space voyage, hydraulic turbine, gas turbine, filling equipment, instruments, and weave machinery. It also has a wide range of applications in other industrial and agricultural machinery. And it is being used more and more widely.
What are Center Cut Flange Oilless Bearings?
Center Cut Flange Oilless Bearings are a type of self-lubricating bearing that eliminates the need for external lubrication. They are designed with a center-cut flange that allows for easy installation and removal, making them highly versatile. These bearings are available in various materials, each with its unique properties, catering to different industry needs.
Advantages of Center Cut Flange Oilless Bearings
Low Maintenance
These bearings eliminate the need for regular lubrication, significantly reducing maintenance costs and downtime.
Reduced Friction and Wear
The self-lubricating materials used in these bearings minimize friction and wear, resulting in longer service life and improved performance.
Environmental Benefits
By eliminating the need for external lubrication, Center Cut Flange Oilless Bearings contribute to a cleaner environment and reduce the risk of contamination.
Dimensional Stability
These bearings offer excellent dimensional stability under varying temperatures and loads, ensuring consistent performance and reliability.
The basement of the oilless bush depends on the work conditions of the bush itself.
The commonly used materials are high-strength brass tin bronze, etc The inserted solid lubricant materials are mainly two kinds which are based on graphite, MoS2 as well as PTFE. According to the bushings’ working conditions, it can ensure that the product can meet various temperatures, loads, movements, and medium through the combination between the different metal basement and solid lubricants and ensure that it can work steadily and credibly
The Feature Of Center Cut Flange Oilless Bearing
1. Heavy-duty oil-free bearing with embedded solid lubricant base of the high-strength brass alloy.
2. Available without lubrication
3. It exhibits excellent wear resistance in difficult locations of oil film configuration
4. It has excellent chemical resistance and corrosion resistance.
Applications of Center Cut Flange Oilless Bearings
Automotive Industry
Center Cut Flange Oilless Bearings are widely used in various automotive components, such as steering systems, transmission systems, and suspension components, where they provide smooth operation and reduce maintenance requirements.
Aerospace Industry
In the aerospace industry, these bearings are employed in aircraft components like landing gear, actuators, and control surfaces. Their lightweight and low-friction properties are crucial for improving fuel efficiency and reducing maintenance costs.
Marine Industry
The marine industry benefits from Center Cut Flange Oilless Bearings‘ corrosion resistance and low maintenance, making them ideal for use in shipbuilding and offshore applications.
Construction and Heavy Machinery
These bearings are well-suited for use in construction equipment and heavy machinery, where they can handle high loads, provide excellent wear resistance, and reduce maintenance requirements.
| model | oilless bearing | oilless bearing | oilless bearing | oilless bearing | oilless bearing | ||
|---|---|---|---|---|---|---|---|
| China Brands GB1776-87 |
ZCuZn25 AI6Fe3Mn3 |
ZCuSn6
Zn6Pb3 |
ZCuAI10Fe3 | ZCuSu10P1 | steel+ZCuSn6
Zn6Pb3 |
HT250 | GCr15 |
| ISO1338 | GCuZn25 AI6Fe3Mn3 |
GCuSn6
Zn6Pb3 |
GCuAI10Fe3 | CuSn12 | steel+CuSn6Zn6
Pb3Fe3Ni5 |
– | B1 |
| DIN | G-CuZn25 AI5 |
GB-CuSn5Zn5Pb5 | GB-CuAI10Ni | GB-CuSn10 | steel+CuSn6
Zn6Pb3Ni |
– | 100Cr6 |
| JIS | HBsC4 | BC6 | AIBC3 | BC3 | BC6 | FC250 | SUJ2 |
| ASTM/UNS | C86300 | C83600 | C95500 | C90800 | C83600 | Class40 | 52100 |
| BS | HTB2 | LG2 | AB1 | PB4 | LG2 | – | – |
Material Alloy Chemical Composition
| chemical element | oil-free bearing | oil-free bearing | oil-free bearing | oil-free bearing | oil-free bearing | ||
|---|---|---|---|---|---|---|---|
| Cu ( % ) | Rest | Rest | Rest | – | – | ||
| Sn ( % ) | – | 6 | – | 10 | 6 | – | – |
| Zn ( % ) | 25 | 6 | – | – | 6 | – | – |
| Ni ( % ) | – | – | – | – | – | – | – |
| AI ( % ) | 6 | – | 10 | – | – | – | – |
| Fe ( % ) | 3 | – | 3 | – | – | Rest | Rest |
| Mn ( % ) | 3 | – | – | – | – | 0.905 – 1.3 | 0.20 – 0.40 |
| Cr ( % ) | – | – | – | – | – | – | 1.30 – 1.65 |
| C ( % ) | – | – | – | – | – | 2.5 – 4 | 0.95 – 1.05 |
| Si ( % ) | – | – | – | – | – | 1.0 – 1.3 | 0.15 -0.35 |
| Pb ( % ) | – | 3 | – | – | 3 | – | – |
Technical parameter
| Performance | oil-free bearing | oil-free bearing | oil-free bearing | oil-free bearing | oil-free bearing |
|---|---|---|---|---|---|
| density | 8 | 8.9 | 7.8 | 8.9 | 8 |
| hardness HB | ≥ 210 | ≥ 70 | ≥ 150 | ≥ 75 | ≥ 235 |
| tensile strength N/mm² | ≥ 750 | ≥ 250 | ≥ 500 | ≥ 270 | ≥ 800 |
| Yield Strength N/mm² | ≥ 450 | ≥ 90 | ≥ 260 | ≥ 150 | ≥ 450 |
| Elongation % | ≥ 12 | ≥ 13 | ≥ 10 | ≥ 5 | ≥ 8 |
| coefficient of linear expansion | 1.9×10-5/℃ | 1.8×10-5/℃ | 1.6×10-5/℃ | 1.8×10-5/℃ | 1.9×10-5/℃ |
| Operating temperature | -40~+300℃ | -40~+400℃ | -40~+400℃ | -40~+400℃ | -40~+300℃ |
| Maximum dynamic load N/mm² | 100 | 60 | 50 | 70 | 120 |
| Maximum line speed(干)m/min | 15 | 10 | 20 | 10 | 15 |
| Maximum PV value N/mm²·m/s | 200 | 60 | 60 | 80 | 200 |
| compression deformation 300N/mm² | < 0.01 | < 0.05 | < 0.04 | < 0.05 | < 0.005 |
Installation and Maintenance of Center Cut Flange Oilless Bearings
Installation and maintenance of Center Cut Flange Oilless Bearings are relatively easy due to their unique design, which includes a flange that allows for simple mounting and dismounting. The self-lubricating properties of these bearings also result in reduced maintenance needs and lower downtime, making them an excellent choice for many industries.
When selecting the appropriate Center Cut Flange Oilless Bearing for your application, it’s essential to consider several factors. These include the load capacity of the bearing, the operating temperature of your equipment, the level of corrosion resistance required, and any other specific needs of your industry.
Proper installation of Center Cut Flange Oilless Bearings is critical for optimal performance. The first step is to ensure that the mounting surface is clean and free of debris. Then, carefully align the bearing with the mounting surface and apply pressure evenly to ensure a secure fit. It’s also important to follow the manufacturer’s guidelines for torque specifications during installation.
Maintenance of Center Cut Flange Oilless Bearings typically involves monitoring for any signs of wear or damage, such as unusual noises or vibrations. Regular inspections and lubrication as needed can help extend the lifespan of the bearings and prevent costly downtime.



