Product Description
Product Description
SF-1 Plain steel bushing is a type of DU bushing. It’s also called DU bush and PTFE lined dry sliding bearing,SF-1 bearing,oil free bushes. SF-1 self-lubricating bearing has a common structure with other DU bearing.
| Product Name | Bronze Oilless Bearing Du Bushing Carbon Steel or Stainless Steel Bushing |
| Quality Standard | DIN 1494 |
| Package | Standard export package |
| Standard Lead time | 30 days |
| Shipping mode | Courier, air plane or ship |
| Supply Ability | 500000000PCS/Month |
| Port of Loading | ZheJiang |
| Certificate | CE;ISO 9001 |
| HS Code | 8483300090 |
Material structure:
PTFE/Pb mixture 0.01~0.03mm as sliding layer, provides an excellent initial transfer film, which effectively coats the mating surface of the bearing assembly, forming homogeneous oxide type solid lubricant film.
Porous bronze 0.2~0.3mm, provides Max. thermal conductivity away from the bearing surface, also serves as a reservoir for the PTFE-lead mixture.
Low-carbon steel backing 0.7~2.3mm, provides fundamental structural support and gives exceptionally high load carrying capacity, excellent heat dissipation.
Tin-plating 0.005mm or copper plating 0.008mm, provides good corrosion resistance.
Characteristics:
Good wear and friction performance over a wide range of loads, speeds and temperature without oil
Also perform well with lubrication
Maintenance-free, long life
Availability:
- Standard cylindrical bushing, flanged bush, thrust washers and strips are available.
- Lead free type is also available
- All special designs are produced according to your requirement
Applications:
PVB571 DU bearing is widely used in Lifting equipment, Hydraulics and valves, pneumatic equipment, medical equipment, textile machinery, agricultural equipment, construction equipment, meterial handing equipment, packaging equipment, automotive field, scientific equipment, drying ovens, office equipment, etc.
Product Parameters
Technical Data:
| Specific load capacity (static) | ≤ 250 [ N/mm² ] |
| Specific load capacity (dynamic) | ≤ 140 N/mm² at low speeds |
| Specific load capacity(rotating oscillating) | ≤60N/mm² |
| Friction value | 0.03 to 0.25 µ |
| Temperature | -200 to +280 [ °C ] |
| Max. dry running Pv (Short-term operation) | 3.6N/mm²*m/s |
| Max. dry running Pv (Continuous operation) | 1.8N/mm²*m/s |
| Max. speed (dry running) | 2m/s |
| Max. speed (Hydrodynamic operation) | >2m/s |
Advantage:
- Well experienced OEM manufacturer
- 10 years in the self lubricating bearing industry
- 95% products export to foreign countries
Detailed Photos
Company Profile
HangZhou Zhongwan Import&Export Co. Ltd. Is located in HangZhou City which is the center city of the most prosperous and dynamic Economic Circl in China –Yangtze River Delta. It cannot be ignored about highly convenient transportation system of HangZhou City. You can go everywhere in China through the highway and 3 big airports around HangZhou enable you to fly all over the world.
We are engaged in the import and export of goods and technology business mainly. The strengths of our companies operates:Hydraulic Jack,Bottle Jack, Floor Jack, Trolley Jack, Scissor Jack, Oilless Bearing,Oilless Bushing,Jack Stand etc.
FAQ
Q1. Are You a Trade Company or a Manufacturer?
A: We Are Jack and Brushing professional supplier include hydraulic jack ,Bottle Jack, Floor Jack, Trolley Jack, Scissor Jack, Oilless Bearing,Oilless Bushing,Jack Stand etc
Q2. May I Make Mix Order?,
Yes, You Can Make Mix Order Under Our MOQ.
Q3. What Is Your Terms of Payment?
A: T/T In Advance, L/C At Sight, 30% Deposits/ 70% Balance Before Delivery. We’Ll Show You The Photos of The Products And Packages Before You Pay The Balance.
Q4. What Is Your Terms of Delivery?
A: Exw, Fob, Cfr, Cif.
Q5. How About Your Delivery Time?
A: Generally, It Will Take 15 To 30 Days After Receiving Your Advance Payment. The Specific Delivery Time Depends On The Items And The Quantity Of Your Order.
Q6. What Is Your Sample Policy?
A: Paid Sample with Freight Collect.
Q7. Do You Test All Your Goods Before Delivery?
A: Yes, We Have 100% Test Before Delivery
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Bearing Structure: | Solid Bearing |
|---|---|
| Type of Lubricant: | Solid-Lubricated Bearing |
| Lubricant & Load: | Hydrostatic Bearing |
| Bushing Material: | Bronze |
| Bearing Direction: | Radial |
| Lubricating Way: | Maintenance-Free Bearing |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Considerations for Selecting Appropriate Sliding Bearings
Choosing the right type and size of sliding bearing is crucial for ensuring optimal performance and longevity in various applications. Here are key considerations to keep in mind:
Load and Application: Determine the specific load and application requirements. Different sliding bearings are designed to handle varying loads, speeds, and operating conditions. Consider whether the bearing will experience radial, axial, or combined loads, as well as the expected range of motion.
Material Compatibility: Select materials that are compatible with the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and exposure to chemicals or contaminants. Common bearing materials include bronze, steel, and self-lubricating polymers.
Lubrication: Proper lubrication is essential for reducing friction and wear in sliding bearings. Choose a lubrication method that suits the application, whether it’s grease, oil, or self-lubricating materials. Some sliding bearings are designed for maintenance-free operation.
Design and Configuration: Determine the appropriate bearing design, such as bushings, thrust washers, or linear guides. Consider the bearing’s dimensions, including inner and outer diameter, length, and width. The bearing’s configuration should match the available space and mounting requirements.
Load Distribution: Ensure that the selected sliding bearing can evenly distribute the applied load across its surface. This helps prevent premature wear and ensures the bearing’s longevity. Consider the bearing’s load capacity and how it aligns with the actual load demands.
Friction and Wear: Evaluate the bearing’s coefficient of friction and wear characteristics. Lower friction and wear rates contribute to longer bearing life and improved efficiency. Consider whether the bearing requires initial running-in to reach optimal performance.
Maintenance and Service Life: Consider the maintenance requirements and expected service life of the sliding bearing. Some applications may benefit from bearings with extended maintenance intervals or self-lubricating properties, while others may prioritize easy replacement.
Cost-Efficiency: Balancing performance with cost is essential. While high-performance materials and features can enhance bearing performance, they may also increase the upfront cost. Choose a solution that aligns with your budget and long-term operational goals.
Environmental Conditions: Factor in the environmental conditions the bearing will operate in. For example, marine environments may require bearings with exceptional corrosion resistance, while high-temperature applications demand materials with thermal stability.
Supplier Expertise: Partner with reputable suppliers who offer technical expertise and a range of sliding bearing solutions. Suppliers with a strong track record can provide guidance in selecting the most suitable bearing for your specific application.
By carefully considering these factors, you can confidently choose the appropriate type and size of sliding bearing that meets your application’s requirements and ensures optimal performance and reliability.
Contribution of Sliding Bearings to Hydraulic Systems and Pumps
Sliding bearings play a crucial role in ensuring the smooth and efficient operation of hydraulic systems and pumps. Here’s how they contribute to these applications:
Load Distribution: Sliding bearings distribute the axial and radial loads generated by hydraulic components, such as pistons and impellers, across their surfaces. This helps prevent localized stress and ensures uniform load distribution, enhancing the overall stability of the system.
Reduced Friction: Sliding bearings minimize friction between moving parts within hydraulic systems and pumps. This friction reduction leads to lower energy consumption and less heat generation, contributing to improved efficiency and reduced wear and tear.
Fluid Film Formation: Properly lubricated sliding bearings create a fluid film between their surfaces. This fluid film serves as a barrier that prevents direct contact between the bearing surfaces, reducing friction and wear and enabling smooth movement even at high speeds.
Sealing Function: Sliding bearings often incorporate seals to prevent the ingress of contaminants, such as dirt and moisture, into the hydraulic system or pump. This sealing function helps maintain the integrity of the system’s components and extends their lifespan.
Alignment Compensation: In hydraulic systems, sliding bearings can compensate for minor misalignments between components, such as shafts and impellers. This ability to accommodate misalignment contributes to reduced stress and longer component life.
Quiet Operation: Sliding bearings help dampen vibrations and noise generated during the operation of hydraulic systems and pumps. This contributes to quieter and more comfortable working environments.
Customization: Sliding bearings can be designed and customized to meet the specific requirements of different hydraulic systems and pumps. This adaptability ensures optimal performance and longevity.
Overall, sliding bearings enhance the reliability, efficiency, and longevity of hydraulic systems and pumps by minimizing friction, distributing loads, facilitating smooth movement, and providing protection against contaminants. Their contribution is essential to achieving consistent and precise fluid transfer and power generation in various industrial applications.
Impact of Proper Lubrication on Sliding Bearings
Proper lubrication plays a critical role in the performance and longevity of sliding bearings. Here’s how it affects their operation:
- Reduced Friction and Wear: Lubrication forms a thin film between the sliding surfaces of the bearing, reducing direct metal-to-metal contact. This minimizes friction and wear, which can significantly extend the bearing’s lifespan.
- Heat Dissipation: Lubricants help dissipate heat generated during operation by carrying away excess heat from the friction zones. This prevents overheating and potential damage to the bearing and surrounding components.
- Corrosion Prevention: Lubricants provide a protective barrier against moisture and corrosive substances, preventing the formation of rust and corrosion on the bearing surfaces.
- Sealing Effect: Proper lubrication can help create a sealing effect that prevents contaminants from entering the bearing, maintaining a clean and efficient operating environment.
- Noise and Vibration Reduction: Adequate lubrication helps dampen noise and reduce vibration caused by friction between bearing surfaces. This contributes to quieter and smoother operation.
- Enhanced Load Distribution: Lubrication ensures even load distribution across the bearing surfaces, preventing localized wear and extending the bearing’s overall life.
- Stability and Performance: Proper lubrication maintains consistent performance and stability by minimizing variations in friction and reducing the risk of sudden failures.
- Seizure Prevention: Lubricants prevent sliding surfaces from seizing or sticking together, even during periods of prolonged inactivity.
- Optimized Efficiency: Well-lubricated bearings experience less energy loss due to friction, resulting in improved overall efficiency of the machinery.
Choosing the right lubricant type, viscosity, and lubrication interval is crucial to ensuring the optimal performance and durability of sliding bearings. Regular maintenance and monitoring of lubrication levels are essential to prevent issues and extend the bearing’s service life.
editor by CX 2024-05-02