Tag Archives: bridge bearing

China Custom Pot Type Rubber Guided Sliding Bearing for Construction Bridge Isolation Bearing drive shaft bearing

Product Description

Product Description

item

value

Place of Origin

China

 

ZheJiang

Brand Name

   XIHU (WEST LAKE) DIS.

Processing Service

Moulding, Cutting

Material

Rubber + steel plate

Product name

High Damping Seismic Isolation Rubber Bearing

Color

Customer’s Request

Application

Bridge,building

Size

Accpet Customers’ Designs

Certification

ISO9001

MOQ

10 Pcs

Quality

High-Quality

Temperature

-40 C~+120 C’

Feature

Durable

Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

Our Advantages

 

Packaging & Shipping

 

Certifications

 

FAQ

1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
2.    Can we have them with different performance or our own design? Can be customized according to your drawings
3.  What is your MOQ ? The minimum order quantity is determined according to the product type
4.    Can I print your logo on the carton box? Yes
5.    Do you offer customized packaging  ? Custom packaging is available
6.    Any discount ? The specific price can be discussed

 

/* 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

After-sales Service: Online Technical Guidance
Warranty: 1-3 Years
Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Rubber Bearing
Customization:
Available

|

Customized Request

sliding bearing

Challenges of Lubricant Contamination in Sliding Bearings and Solutions

Lubricant contamination in sliding bearings can lead to various challenges that impact performance and longevity. Here are some challenges and solutions:

Challenge: Reduced Lubrication Effectiveness

Contaminants such as dust, dirt, moisture, and foreign particles can compromise the lubricant’s ability to provide effective lubrication between bearing surfaces.

Solution: Regular maintenance practices involving cleaning and relubrication help remove contaminants and restore the lubricant’s effectiveness. Proper seals and shields can also prevent contaminants from entering the bearing.

Challenge: Increased Friction and Wear

Contaminants in the lubricant can create abrasive particles that increase friction and accelerate wear on bearing surfaces.

Solution: Using high-quality, clean lubricants and implementing effective filtration systems can minimize the presence of contaminants, reducing friction and wear.

Challenge: Component Damage

Contaminants can cause pitting, scratching, and other damage to bearing surfaces, leading to decreased performance and potential bearing failure.

Solution: Regular inspections and cleaning routines are essential to prevent the accumulation of contaminants. Using lubricants with appropriate viscosity and additives can also help protect bearing surfaces.

Challenge: Increased Heat and Temperature

Contaminants can create heat and increase operating temperatures due to increased friction, which can negatively impact bearing performance.

Solution: Clean lubricants with proper viscosity and thermal stability are essential to dissipate heat effectively. Maintaining proper lubrication levels helps manage temperature rise.

Challenge: Corrosion

Moisture and certain contaminants can lead to corrosion of bearing surfaces, which compromises their structural integrity.

Solution: Proper storage and handling of bearings, as well as using corrosion-resistant lubricants, can mitigate the risk of corrosion. Seals and shields also provide additional protection against moisture ingress.

Challenge: Lubricant Breakdown

Contaminants and high operating temperatures can cause lubricants to degrade over time, reducing their lubricating properties.

Solution: Monitoring lubricant condition and replenishing or changing it at appropriate intervals helps maintain its effectiveness. Using lubricants with good oxidation resistance is also important.

Lubricant contamination in sliding bearings can significantly impact their performance and longevity. Implementing proper maintenance practices, using clean and suitable lubricants, and employing effective sealing mechanisms are key strategies to address these challenges and ensure optimal sliding bearing operation.

sliding bearing

Managing Friction and Wear in Sliding Bearings

Friction and wear are common challenges in sliding bearings that can lead to reduced performance and premature failure. Here’s a detailed look at these challenges and some solutions to manage them:

Challenges:

  • Friction: High friction can lead to energy loss, increased heat generation, and accelerated wear.
  • Wear: Continuous contact between sliding surfaces can result in material removal and surface degradation over time.

Solutions:

  • Lubrication: Proper lubrication is crucial to reduce friction and wear. Lubricants create a protective film between sliding surfaces, minimizing direct contact and promoting smooth movement.
  • Self-Lubricating Bearings: Bearings made from self-lubricating materials, such as polymers containing solid lubricants, can offer continuous lubrication without external intervention.
  • Bearing Design: Optimized bearing designs, such as incorporating grooves or pockets for lubricant retention, can enhance lubrication efficiency and reduce friction.
  • Maintenance: Regular maintenance and lubricant replenishment help ensure consistent lubrication levels and prevent excessive wear.
  • Material Selection: Choosing materials with low friction coefficients and high wear resistance can minimize friction and extend bearing life.
  • Surface Treatments: Coatings, such as PTFE or DLC (diamond-like carbon), can be applied to bearing surfaces to reduce friction and enhance wear resistance.
  • Clearance Adjustment: Proper clearance between bearing components can reduce friction and prevent excessive loading.

By implementing effective lubrication strategies, choosing appropriate materials, and employing suitable design practices, the challenges of friction and wear in sliding bearings can be effectively managed, leading to improved performance and longer bearing life.

sliding bearing

Advantages of Sliding Bearings Compared to Other Bearings

Sliding bearings, also known as plain bearings or journal bearings, offer several advantages compared to other types of bearings. These advantages make them suitable for specific applications where their characteristics are beneficial:

  • High Load-Carrying Capacity: Sliding bearings can handle high loads due to their larger contact area and distribution of pressure, making them suitable for heavy machinery and industrial equipment.
  • Low Friction: Sliding bearings operate on the principle of sliding friction, which can result in lower frictional losses and energy consumption compared to rolling element bearings.
  • Simplicity: Sliding bearings have a straightforward design with fewer components, reducing complexity and potential points of failure.
  • Cost-Effectiveness: The simpler design and manufacturing process of sliding bearings can lead to lower production costs and maintenance expenses.
  • Shock and Vibration Absorption: Sliding bearings can dampen shocks and vibrations due to their ability to accommodate misalignments and absorb dynamic forces.
  • High-Temperature Applications: Some sliding bearings are capable of operating in high-temperature environments where other types of bearings might fail.
  • Self-Lubrication: Some sliding bearings are designed with self-lubricating materials, reducing the need for external lubrication and maintenance.
  • Noisiness: Sliding bearings often produce less noise than rolling element bearings, which can be advantageous in noise-sensitive applications.
  • Corrosion Resistance: Sliding bearings made from materials such as bronze or plastic can offer better corrosion resistance in certain environments.
  • Adaptability to Dirty Environments: Sliding bearings can perform well in dirty or contaminated environments where rolling element bearings might be more prone to failure due to debris.

However, it’s important to note that sliding bearings also have limitations, such as higher frictional heat generation, potential for stick-slip behavior, and limited suitability for high-speed applications. The choice between sliding bearings and other types of bearings depends on the specific requirements of the application and the trade-offs that need to be considered.

China Custom Pot Type Rubber Guided Sliding Bearing for Construction Bridge Isolation Bearing   drive shaft bearingChina Custom Pot Type Rubber Guided Sliding Bearing for Construction Bridge Isolation Bearing   drive shaft bearing
editor by CX 2024-05-17

China manufacturer China Made Rubber Bridge Elastic Sliding Bearing bearing driver

Product Description

Product Description

Classification, structure, technical requirements and scope of application of plate rubber bearings
1. Product classification
According to the form of support structure is divided into:
1) Ordinary plate rubber bearings are divided into rectangular plate rubber bearings (code GJZ) and circular plate rubber bearings (code GYZ);
2) PTFE sliding plate rubber bearings are divided into rectangular PTFE rectangular plate rubber bearings (code GJZF4) and circular PTFE circular plate rubber bearings (code GYZF4).
According to the support material and applicable temperature is divided into:
1) The normal temperature rubber bearing should be produced by neoprene rubber (CR), and the applicable temperature is -25ºC-60ºC. Natural rubber shall not be used to replace neoprene rubber, nor shall natural rubber be incorporated into neoprene rubber;
2) Plug resistant rubber bearings should be produced by natural rubber (NR), and the applicable temperature is -40ºC-60ºC.
2. Support structure
Ordinary plate rubber bearings shall be composed of at least 2 or more layers of stiffened steel plates, and the steel plates are all wrapped  in elastomeric materials.
3, the scope of application of plate rubber bearings
Plate rubber bearing is widely used because of its advantages of excellent technical performance, simple structure, low price, low assembly height, easy installation and maintenance, easy replacement and so on

Technical index

Neoprene Rubber

Natural Rubber

Hardness (IRHD)

60±5

60±5

Strength Tensile (Mpa)

≥17

≥18

Elongation at break (%)

≥400

≥450

Brittleness temperature (ºC)

≤40

≤-50

Constant compression permanent deformation

≤15

≤30

Resistance to CZPT aging test
(test conditions,20% elongation,40ºC×96h)

100ppmm

25ppmm

No cracking

No crack

Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

Our Advantages

 

Packaging & Shipping

 

Certifications

 

FAQ

1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
2.    Can we have them with different performance or our own design? Can be customized according to your drawings
3.  What is your MOQ ? The minimum order quantity is determined according to the product type
4.    Can I print your logo on the carton box? Yes
5.    Do you offer customized packaging  ? Custom packaging is available
6.    Any discount ? The specific price can be discussed

 

/* 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

After-sales Service: Online Technical Guidance
Warranty: 1years
Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Rubber Bearing
Customization:
Available

|

Customized Request

sliding bearing

Advancements in Sliding Bearing Technology

Recent years have witnessed significant advancements in sliding bearing technology, leading to improved performance, durability, and efficiency in various applications. Some notable developments include:

Self-Lubricating Materials: The use of advanced self-lubricating materials, such as composite polymers and solid lubricants, has reduced the need for external lubrication, enhancing maintenance-free operation.

Nano-Coatings: Nano-coatings with improved wear resistance and reduced friction have been applied to sliding bearings, extending their lifespan and optimizing performance in demanding environments.

Improved Friction Management: Advanced surface texturing and micro-grooving techniques have been employed to manage friction and reduce wear, contributing to smoother operation and increased efficiency.

Bearing Monitoring Systems: Integration of sensors and monitoring systems allows real-time tracking of bearing health, enabling predictive maintenance and reducing unexpected downtime.

Customization: Modern manufacturing techniques, such as 3D printing and precision machining, allow for customized sliding bearings tailored to specific applications, improving overall system performance.

Environmentally Friendly Solutions: Development of environmentally friendly lubricants and materials ensures compliance with regulations and minimizes the impact of sliding bearing technology on the environment.

High-Load Capacities: Advances in material science and engineering have led to sliding bearings with increased load-carrying capacities, making them suitable for heavy-duty applications.

Enhanced Wear Resistance: Improved material compositions and surface treatments have enhanced wear resistance, reducing the need for frequent replacements and maintenance.

Reduced Noise and Vibration: Innovations in design and materials have resulted in sliding bearings that produce less noise and vibration, contributing to quieter and more comfortable machinery operation.

Integration with IoT: Integration of sliding bearings into the Internet of Things (IoT) networks allows for remote monitoring and optimization of bearing performance.

Digital Twin Technology: Digital twin simulations are being used to model sliding bearing behavior, aiding in design optimization and performance prediction.

Efficiency in High-Temperature Environments: Advancements in heat-resistant materials have enabled sliding bearings to operate efficiently in high-temperature industrial applications.

These advancements collectively contribute to the evolution of sliding bearing technology, making them more reliable, durable, and adaptable to a wide range of industrial and commercial applications.

sliding bearing

Managing Friction and Wear in Sliding Bearings

Friction and wear are common challenges in sliding bearings that can lead to reduced performance and premature failure. Here’s a detailed look at these challenges and some solutions to manage them:

Challenges:

  • Friction: High friction can lead to energy loss, increased heat generation, and accelerated wear.
  • Wear: Continuous contact between sliding surfaces can result in material removal and surface degradation over time.

Solutions:

  • Lubrication: Proper lubrication is crucial to reduce friction and wear. Lubricants create a protective film between sliding surfaces, minimizing direct contact and promoting smooth movement.
  • Self-Lubricating Bearings: Bearings made from self-lubricating materials, such as polymers containing solid lubricants, can offer continuous lubrication without external intervention.
  • Bearing Design: Optimized bearing designs, such as incorporating grooves or pockets for lubricant retention, can enhance lubrication efficiency and reduce friction.
  • Maintenance: Regular maintenance and lubricant replenishment help ensure consistent lubrication levels and prevent excessive wear.
  • Material Selection: Choosing materials with low friction coefficients and high wear resistance can minimize friction and extend bearing life.
  • Surface Treatments: Coatings, such as PTFE or DLC (diamond-like carbon), can be applied to bearing surfaces to reduce friction and enhance wear resistance.
  • Clearance Adjustment: Proper clearance between bearing components can reduce friction and prevent excessive loading.

By implementing effective lubrication strategies, choosing appropriate materials, and employing suitable design practices, the challenges of friction and wear in sliding bearings can be effectively managed, leading to improved performance and longer bearing life.

sliding bearing

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.

China manufacturer China Made Rubber Bridge Elastic Sliding Bearing   bearing driverChina manufacturer China Made Rubber Bridge Elastic Sliding Bearing   bearing driver
editor by CX 2024-05-03

China Professional Made in China Pot Bridge Bearing Sliding Type Bridge Spherical Bearing bearing air

Product Description

Product Description

Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

1, GPZ series basin rubber bearing performance and classification

l Fixed support: only with vertical rotation performance, code GD.

l Unidirectional movable support: with vertical rotation and single direction slip performance, code DX.

l Bidirectional movable support: with vertical rotation and longitudinal and transverse slip performance, code SX.

2. GPZ series basin rubber bearing is suitable for temperature range

l room temperature support: suitable for -25 ~ +60C

l Plug type support, suitable for -40+60ºC, code F.

3. Technical performance of GPZ series basin rubber bearing.

l Vertical Angle of the support is not less than 40 degrees.

Vertical bearing capacity (KN)1000-5000 is divided into 28 levels, and the horizontal hand load on the non-sliding surface is 10% of the vertical load.

l Displacement is shown in the table

l calendar wipe coefficient: room temperature type u≤0.04 Plug type u≤0.06

Company Profile

 

HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

Our Advantages

 

Packaging & Shipping

 

Certifications

 

FAQ

1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
2.    Can we have them with different performance or our own design? Can be customized according to your drawings
3.  What is your MOQ ? The minimum order quantity is determined according to the product type
4.    Can I print your logo on the carton box? Yes
5.    Do you offer customized packaging  ? Custom packaging is available
6.    Any discount ? The specific price can be discussed

 

/* 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

After-sales Service: Online Technical Guidance
Warranty: 1-3 Years
Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Rubber Bearing
Customization:
Available

|

Customized Request

sliding bearing

Role of Sliding Bearings in Vibration Dampening and Shock Absorption Applications

Sliding bearings are essential components in applications where vibration dampening and shock absorption are critical. Here’s how they fulfill this role:

Vibration Dampening:

In various industrial processes and equipment, vibrations can lead to reduced performance, increased wear and tear, and even structural damage. Sliding bearings help dampen vibrations by providing a cushioning effect between moving components. The design of sliding bearings allows them to absorb and dissipate vibrations, preventing them from propagating throughout the machinery.

Shock Absorption:

Heavy machinery and equipment often experience sudden impacts or shocks due to sudden loads or external forces. Sliding bearings with their ability to absorb shocks and impacts help protect machinery from damage. They act as buffers that absorb and distribute the energy generated by these shocks, preventing it from causing harm to other components or the machinery structure.

Isolation of Vibrations:

Sliding bearings can be strategically placed in machinery to isolate specific components or sections from vibrations. This isolation helps maintain the stability and accuracy of delicate components that might be sensitive to vibrations, such as precision instruments or measurement devices.

Enhanced Comfort:

In applications involving human interaction, such as vehicles or industrial tools, sliding bearings contribute to user comfort. By reducing vibrations and shocks transmitted to the operator or occupants, sliding bearings improve the overall user experience and reduce operator fatigue.

Prevention of Resonance:

Resonance is a phenomenon where vibrations can be amplified due to the natural frequencies of the components. Sliding bearings help prevent resonance by providing damping properties that counteract the amplification effect. This is crucial in applications where precise control and stability are required.

In conclusion, sliding bearings play a vital role in applications requiring vibration dampening and shock absorption. Their ability to dampen vibrations, absorb shocks, isolate vibrations, enhance comfort, and prevent resonance contributes to the efficient and reliable operation of machinery and equipment in various industries.

sliding bearing

Maintenance Practices to Extend the Lifespan of Sliding Bearings

Proper maintenance is essential for maximizing the lifespan of sliding bearings and ensuring optimal performance. Here are specific practices that can help extend the life of sliding bearings:

Regular Lubrication: Adequate lubrication is crucial for minimizing friction and wear between sliding surfaces. Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants for the operating conditions.

Clean Environment: Keep the surrounding environment clean and free from dust, dirt, and contaminants. Regularly clean the machinery or equipment to prevent debris from entering the bearing area.

Seal Integrity: Ensure that bearing seals are in good condition to prevent contaminants from entering and lubricant from escaping. Replace damaged seals promptly to maintain proper protection.

Alignment and Mounting: Proper alignment and mounting of sliding bearings are critical to distribute loads evenly and prevent excessive wear. Follow manufacturer guidelines for installation procedures and torque specifications.

Regular Inspections: Schedule routine inspections to detect early signs of wear, damage, or misalignment. Visual inspections, temperature checks, and vibration analysis can help identify issues before they escalate.

Maintenance Records: Maintain detailed records of maintenance activities, including lubrication schedules, inspections, and replacements. This information can help track the condition of sliding bearings and plan maintenance tasks effectively.

Temperature Management: Control operating temperatures within recommended limits. Excessive heat can degrade lubricants and accelerate wear, while extreme cold can affect bearing performance.

Load Management: Avoid subjecting sliding bearings to loads beyond their specified capacities. Overloading can lead to premature wear and damage.

Training and Education: Ensure that personnel responsible for maintenance are adequately trained in proper procedures. Knowledgeable staff can perform maintenance tasks accurately and identify potential issues.

Timely Replacement: When wear or damage is detected that exceeds acceptable limits, replace sliding bearings promptly to prevent further damage to the machinery or equipment.

By implementing these maintenance practices, you can significantly extend the lifespan of sliding bearings, reduce downtime, and optimize the performance of machinery and equipment.

sliding bearing

Sliding Bearings and Their Applications

Sliding bearings, also known as plain bearings or journal bearings, are a type of bearing that operate on the principle of sliding friction between two surfaces. They are utilized in various applications where rotational or linear movement needs to be facilitated while minimizing friction and wear. Here are some common applications of sliding bearings:

  • Automotive Industry: Sliding bearings are widely used in engines and transmissions of vehicles to support rotating shafts and provide low-friction movement.
  • Industrial Machinery: They are employed in industrial equipment such as pumps, compressors, and turbines, where they help in reducing friction and ensuring smooth operation.
  • Aerospace: Sliding bearings are crucial components in aircraft engines, landing gear systems, and various aerospace mechanisms to provide reliable and low-wear motion.
  • Power Generation: In power plants, sliding bearings are found in turbines, generators, and other rotating equipment to facilitate movement with minimal energy loss.
  • Marine Applications: They are used in ship engines, propellers, and other marine equipment, providing durability in harsh marine environments.
  • Construction Equipment: Sliding bearings are used in construction machinery like cranes and excavators to support heavy loads and ensure smooth movement.
  • Heavy Industry: Various heavy industries, including mining and steel production, rely on sliding bearings for their robustness and ability to handle heavy loads.
  • Home Appliances: Sliding bearings are found in appliances like washing machines and refrigerators, facilitating the movement of rotating parts.
  • Medical Devices: Some medical devices use sliding bearings for their precision and low friction, ensuring accurate movement in equipment like medical scanners and robotic surgical systems.

Sliding bearings are chosen for applications where simplicity, cost-effectiveness, and reliable performance are essential. They come in different designs, such as plain cylindrical bearings, thrust bearings, and spherical bearings, to suit various motion requirements. Regular maintenance and proper lubrication are necessary to ensure the longevity and optimal performance of sliding bearings in their respective applications.

China Professional Made in China Pot Bridge Bearing Sliding Type Bridge Spherical Bearing   bearing airChina Professional Made in China Pot Bridge Bearing Sliding Type Bridge Spherical Bearing   bearing air
editor by CX 2024-04-10

China best China Factory Hot Selling Rubber Bridge Pot Style Sliding Bearing bearing bronze

Product Description

Product Description

Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

1, GPZ series basin rubber bearing performance and classification

l Fixed support: only with vertical rotation performance, code GD.

l Unidirectional movable support: with vertical rotation and single direction slip performance, code DX.

l Bidirectional movable support: with vertical rotation and longitudinal and transverse slip performance, code SX.

2. GPZ series basin rubber bearing is suitable for temperature range

l room temperature support: suitable for -25 ~ +60C

l Plug type support, suitable for -40+60ºC, code F.

3. Technical performance of GPZ series basin rubber bearing.

l Vertical Angle of the support is not less than 40 degrees.

Vertical bearing capacity (KN)1000-5000 is divided into 28 levels, and the horizontal hand load on the non-sliding surface is 10% of the vertical load.

l Displacement is shown in the table

l calendar wipe coefficient: room temperature type u≤0.04 Plug type u≤0.06

Company Profile

 

HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

Our Advantages

 

Packaging & Shipping

 

Certifications

 

FAQ

1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
2.    Can we have them with different performance or our own design? Can be customized according to your drawings
3.  What is your MOQ ? The minimum order quantity is determined according to the product type
4.    Can I print your logo on the carton box? Yes
5.    Do you offer customized packaging  ? Custom packaging is available
6.    Any discount ? The specific price can be discussed

 

/* 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

After-sales Service: Online Technical Guidance
Warranty: 1-3 Years
Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Rubber Bearing
Customization:
Available

|

Customized Request

sliding bearing

Differences Between Plain Sliding Bearings and Self-Lubricating Bearings

Plain sliding bearings and self-lubricating bearings are two distinct types of bearings used in various applications. Here are the key differences between them:

Plain Sliding Bearings:

  • Plain sliding bearings, also known as bushings, are simple bearing components that consist of a cylindrical sleeve made of a bearing material.
  • These bearings require external lubrication, such as grease or oil, to reduce friction and wear between the bearing and the shaft.
  • Regular maintenance and lubrication are essential to ensure proper operation and longevity.
  • Plain sliding bearings are cost-effective and suitable for applications where lubrication can be easily provided.
  • They are commonly used in low-speed and low-load applications, where the shaft slides within the bearing.

Self-Lubricating Bearings:

  • Self-lubricating bearings, also known as maintenance-free bearings, are designed to operate without the need for external lubrication.
  • These bearings incorporate solid lubricants, such as graphite, PTFE (polytetrafluoroethylene), or other additives, directly into the bearing material.
  • The solid lubricants are released gradually as the bearing operates, reducing friction and providing a consistent lubricating film.
  • Self-lubricating bearings are ideal for applications where frequent maintenance or lubrication is impractical or not feasible.
  • They are suitable for both low-load and high-load applications, as the self-lubricating properties help extend the bearing’s service life.

In summary, plain sliding bearings require external lubrication and are suitable for applications where lubrication can be provided, while self-lubricating bearings incorporate solid lubricants and operate without the need for regular maintenance. The choice between these two types depends on factors such as the application’s operating conditions, maintenance requirements, and budget considerations.

sliding bearing

Maintenance Practices to Extend the Lifespan of Sliding Bearings

Proper maintenance is essential for maximizing the lifespan of sliding bearings and ensuring optimal performance. Here are specific practices that can help extend the life of sliding bearings:

Regular Lubrication: Adequate lubrication is crucial for minimizing friction and wear between sliding surfaces. Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants for the operating conditions.

Clean Environment: Keep the surrounding environment clean and free from dust, dirt, and contaminants. Regularly clean the machinery or equipment to prevent debris from entering the bearing area.

Seal Integrity: Ensure that bearing seals are in good condition to prevent contaminants from entering and lubricant from escaping. Replace damaged seals promptly to maintain proper protection.

Alignment and Mounting: Proper alignment and mounting of sliding bearings are critical to distribute loads evenly and prevent excessive wear. Follow manufacturer guidelines for installation procedures and torque specifications.

Regular Inspections: Schedule routine inspections to detect early signs of wear, damage, or misalignment. Visual inspections, temperature checks, and vibration analysis can help identify issues before they escalate.

Maintenance Records: Maintain detailed records of maintenance activities, including lubrication schedules, inspections, and replacements. This information can help track the condition of sliding bearings and plan maintenance tasks effectively.

Temperature Management: Control operating temperatures within recommended limits. Excessive heat can degrade lubricants and accelerate wear, while extreme cold can affect bearing performance.

Load Management: Avoid subjecting sliding bearings to loads beyond their specified capacities. Overloading can lead to premature wear and damage.

Training and Education: Ensure that personnel responsible for maintenance are adequately trained in proper procedures. Knowledgeable staff can perform maintenance tasks accurately and identify potential issues.

Timely Replacement: When wear or damage is detected that exceeds acceptable limits, replace sliding bearings promptly to prevent further damage to the machinery or equipment.

By implementing these maintenance practices, you can significantly extend the lifespan of sliding bearings, reduce downtime, and optimize the performance of machinery and equipment.

sliding bearing

Common Applications and Industries of Sliding Bearings

Sliding bearings are utilized across a wide range of applications and industries due to their unique advantages. Some common applications and industries where sliding bearings are commonly used include:

  • Automotive Industry: Sliding bearings are found in engines, transmissions, suspension systems, and various automotive components.
  • Industrial Machinery: They are used in manufacturing equipment, conveyors, printing machines, and more.
  • Power Generation: Sliding bearings are crucial in turbines, generators, and power transmission systems.
  • Aerospace: They play a role in aircraft landing gear, control systems, and propulsion mechanisms.
  • Marine: Sliding bearings are used in ship engines, propellers, and steering systems.
  • Construction and Mining: They are found in heavy machinery, excavators, loaders, and construction equipment.
  • Oil and Gas: Sliding bearings are used in drilling rigs, pumps, compressors, and refineries.
  • Railway: They are employed in locomotives, train wheels, and rail systems.
  • Medical Equipment: Sliding bearings are used in medical devices, imaging equipment, and surgical instruments.
  • Textile Industry: They play a role in weaving machines, spinning frames, and looms.
  • Food and Beverage: Sliding bearings are utilized in food processing equipment and packaging machinery.
  • Renewable Energy: They are used in wind turbines, solar tracking systems, and other renewable energy applications.

Sliding bearings provide reliable support and smooth motion in various environments, making them essential components in a wide range of industries.

China best China Factory Hot Selling Rubber Bridge Pot Style Sliding Bearing   bearing bronzeChina best China Factory Hot Selling Rubber Bridge Pot Style Sliding Bearing   bearing bronze
editor by CX 2024-03-27

China Best Sales Elastomeric Bridge Bearing with Neoprene or Natural Rubber Fixed/Fee/Sliding Pot Bearing bearing driver

Product Description

Product Description

Classification, structure, technical requirements and scope of application of plate rubber bearings
1. Product classification
According to the form of support structure is divided into:
1) Ordinary plate rubber bearings are divided into rectangular plate rubber bearings (code GJZ) and circular plate rubber bearings (code GYZ);
2) PTFE sliding plate rubber bearings are divided into rectangular PTFE rectangular plate rubber bearings (code GJZF4) and circular PTFE circular plate rubber bearings (code GYZF4).
According to the support material and applicable temperature is divided into:
1) The normal temperature rubber bearing should be produced by neoprene rubber (CR), and the applicable temperature is -25ºC-60ºC. Natural rubber shall not be used to replace neoprene rubber, nor shall natural rubber be incorporated into neoprene rubber;
2) Plug resistant rubber bearings should be produced by natural rubber (NR), and the applicable temperature is -40ºC-60ºC.
2. Support structure
Ordinary plate rubber bearings shall be composed of at least 2 or more layers of stiffened steel plates, and the steel plates are all wrapped  in elastomeric materials.
3, the scope of application of plate rubber bearings
Plate rubber bearing is widely used because of its advantages of excellent technical performance, simple structure, low price, low assembly height, easy installation and maintenance, easy replacement and so on

Technical index

Neoprene Rubber

Natural Rubber

Hardness (IRHD)

60±5

60±5

Strength Tensile (Mpa)

≥17

≥18

Elongation at break (%)

≥400

≥450

Brittleness temperature (ºC)

≤40

≤-50

Constant compression permanent deformation

≤15

≤30

Resistance to CZPT aging test
(test conditions,20% elongation,40ºC×96h)

100ppmm

25ppmm

No cracking

No crack

Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

Our Advantages

 

Packaging & Shipping

 

Certifications

 

FAQ

1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
2.    Can we have them with different performance or our own design? Can be customized according to your drawings
3.  What is your MOQ ? The minimum order quantity is determined according to the product type
4.    Can I print your logo on the carton box? Yes
5.    Do you offer customized packaging  ? Custom packaging is available
6.    Any discount ? The specific price can be discussed

 

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After-sales Service: Online Technical Guidance
Warranty: 1years
Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Rubber Bearing
Customization:
Available

|

Customized Request

sliding bearing

Challenges of Lubricant Contamination in Sliding Bearings and Solutions

Lubricant contamination in sliding bearings can lead to various challenges that impact performance and longevity. Here are some challenges and solutions:

Challenge: Reduced Lubrication Effectiveness

Contaminants such as dust, dirt, moisture, and foreign particles can compromise the lubricant’s ability to provide effective lubrication between bearing surfaces.

Solution: Regular maintenance practices involving cleaning and relubrication help remove contaminants and restore the lubricant’s effectiveness. Proper seals and shields can also prevent contaminants from entering the bearing.

Challenge: Increased Friction and Wear

Contaminants in the lubricant can create abrasive particles that increase friction and accelerate wear on bearing surfaces.

Solution: Using high-quality, clean lubricants and implementing effective filtration systems can minimize the presence of contaminants, reducing friction and wear.

Challenge: Component Damage

Contaminants can cause pitting, scratching, and other damage to bearing surfaces, leading to decreased performance and potential bearing failure.

Solution: Regular inspections and cleaning routines are essential to prevent the accumulation of contaminants. Using lubricants with appropriate viscosity and additives can also help protect bearing surfaces.

Challenge: Increased Heat and Temperature

Contaminants can create heat and increase operating temperatures due to increased friction, which can negatively impact bearing performance.

Solution: Clean lubricants with proper viscosity and thermal stability are essential to dissipate heat effectively. Maintaining proper lubrication levels helps manage temperature rise.

Challenge: Corrosion

Moisture and certain contaminants can lead to corrosion of bearing surfaces, which compromises their structural integrity.

Solution: Proper storage and handling of bearings, as well as using corrosion-resistant lubricants, can mitigate the risk of corrosion. Seals and shields also provide additional protection against moisture ingress.

Challenge: Lubricant Breakdown

Contaminants and high operating temperatures can cause lubricants to degrade over time, reducing their lubricating properties.

Solution: Monitoring lubricant condition and replenishing or changing it at appropriate intervals helps maintain its effectiveness. Using lubricants with good oxidation resistance is also important.

Lubricant contamination in sliding bearings can significantly impact their performance and longevity. Implementing proper maintenance practices, using clean and suitable lubricants, and employing effective sealing mechanisms are key strategies to address these challenges and ensure optimal sliding bearing operation.

sliding bearing

Maintenance Practices to Extend the Lifespan of Sliding Bearings

Proper maintenance is essential for maximizing the lifespan of sliding bearings and ensuring optimal performance. Here are specific practices that can help extend the life of sliding bearings:

Regular Lubrication: Adequate lubrication is crucial for minimizing friction and wear between sliding surfaces. Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants for the operating conditions.

Clean Environment: Keep the surrounding environment clean and free from dust, dirt, and contaminants. Regularly clean the machinery or equipment to prevent debris from entering the bearing area.

Seal Integrity: Ensure that bearing seals are in good condition to prevent contaminants from entering and lubricant from escaping. Replace damaged seals promptly to maintain proper protection.

Alignment and Mounting: Proper alignment and mounting of sliding bearings are critical to distribute loads evenly and prevent excessive wear. Follow manufacturer guidelines for installation procedures and torque specifications.

Regular Inspections: Schedule routine inspections to detect early signs of wear, damage, or misalignment. Visual inspections, temperature checks, and vibration analysis can help identify issues before they escalate.

Maintenance Records: Maintain detailed records of maintenance activities, including lubrication schedules, inspections, and replacements. This information can help track the condition of sliding bearings and plan maintenance tasks effectively.

Temperature Management: Control operating temperatures within recommended limits. Excessive heat can degrade lubricants and accelerate wear, while extreme cold can affect bearing performance.

Load Management: Avoid subjecting sliding bearings to loads beyond their specified capacities. Overloading can lead to premature wear and damage.

Training and Education: Ensure that personnel responsible for maintenance are adequately trained in proper procedures. Knowledgeable staff can perform maintenance tasks accurately and identify potential issues.

Timely Replacement: When wear or damage is detected that exceeds acceptable limits, replace sliding bearings promptly to prevent further damage to the machinery or equipment.

By implementing these maintenance practices, you can significantly extend the lifespan of sliding bearings, reduce downtime, and optimize the performance of machinery and equipment.

sliding bearing

Sliding Bearings and Their Applications

Sliding bearings, also known as plain bearings or journal bearings, are a type of bearing that operate on the principle of sliding friction between two surfaces. They are utilized in various applications where rotational or linear movement needs to be facilitated while minimizing friction and wear. Here are some common applications of sliding bearings:

  • Automotive Industry: Sliding bearings are widely used in engines and transmissions of vehicles to support rotating shafts and provide low-friction movement.
  • Industrial Machinery: They are employed in industrial equipment such as pumps, compressors, and turbines, where they help in reducing friction and ensuring smooth operation.
  • Aerospace: Sliding bearings are crucial components in aircraft engines, landing gear systems, and various aerospace mechanisms to provide reliable and low-wear motion.
  • Power Generation: In power plants, sliding bearings are found in turbines, generators, and other rotating equipment to facilitate movement with minimal energy loss.
  • Marine Applications: They are used in ship engines, propellers, and other marine equipment, providing durability in harsh marine environments.
  • Construction Equipment: Sliding bearings are used in construction machinery like cranes and excavators to support heavy loads and ensure smooth movement.
  • Heavy Industry: Various heavy industries, including mining and steel production, rely on sliding bearings for their robustness and ability to handle heavy loads.
  • Home Appliances: Sliding bearings are found in appliances like washing machines and refrigerators, facilitating the movement of rotating parts.
  • Medical Devices: Some medical devices use sliding bearings for their precision and low friction, ensuring accurate movement in equipment like medical scanners and robotic surgical systems.

Sliding bearings are chosen for applications where simplicity, cost-effectiveness, and reliable performance are essential. They come in different designs, such as plain cylindrical bearings, thrust bearings, and spherical bearings, to suit various motion requirements. Regular maintenance and proper lubrication are necessary to ensure the longevity and optimal performance of sliding bearings in their respective applications.

China Best Sales Elastomeric Bridge Bearing with Neoprene or Natural Rubber Fixed/Fee/Sliding Pot Bearing   bearing driverChina Best Sales Elastomeric Bridge Bearing with Neoprene or Natural Rubber Fixed/Fee/Sliding Pot Bearing   bearing driver
editor by CX 2024-02-24

China high quality Sliding Load Seismic Isolate PTFE Bridge Bearing Pad carrier bearing

Product Description

Product Description

PTFE Bridge Pad Bearing is made of multilayer natural rubber and sheet steel after inlay, conglutinate, vulcanization. It has enough vertical stiffness to support vertical load, and it could deliver the pressure of superstructure to abutment.

There are 2 shapes: Rectangle and round. And the type with 1.5-3mm tetrafluoroethylene on the elastomeric bearing makes the superstructure of bridge horizontal displacement unrestricted.

PTFE Bridge Pad Bearing is widely used in building bridge, water and electricity project, building anti-seismic facility and so on. It has simple structure, easy installation, saving steels, low price, easy and convenient conservation and change and so on.

Features of rubber bridge bearing:

Steel reinforced elastomeric PTFE sliding bearings for bridges is to paste a layer of PTFE plate with the same plane size on the top surface of the plate rubber bearing, and set a stainless steel plate on the bottom surface of the beam for relative sliding movement.
This makes use of the small coefficient of friction between PTFE and stainless steel in relative motion, making it a movable support. In addition to the advantages of the plate rubber bearing, it can also meet the requirements of large horizontal displacement.
Therefore, it is suitable for simply supported beams and continuous beams with large spans and bridges with continuous decks.
Bridge with large spans, continuous spans, simply supported beam, continuous plate structures or large displacements. Support structures requiring less vertical but more horizontal weight.

 

Classification

PTFE bearing pad can be divided into round PTFE bearing pad and rectangular PTFE bearing pad according to different shapes. They can be used in different bridge types. The rectangular PTFE bearing pad is widely used in the straight bridge or right bridge. The round PTFE bearing pad is widely used in the skew bridge, curved bridge and other bridges.

F&Q

1. Q: May I have samples?
     A: Yes, free sample is available. You can provide detailed specification or send sample directly. Customed design also avaiable.
2. Q: Can I use our own designed package?
    A: Yes, size, color, logo and packaging style of product are customized.
3. Q: When’s your delivery time?
    A: Usually, 3-5days for samples, 10-15 days for mass production.
4. Q: What’s your payment terms?
    A: L/C, T/T in advance, Paypal, Western Union, etc.
5. Q: How about the quality guarantee period?
    A: We are confident in our products, and we pack them very well. So usually you will receive your order in good condition.
        Any quality issue,we will deal with it immediately.
 

Certification: GB
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

sliding bearing

Challenges of Lubricant Contamination in Sliding Bearings and Solutions

Lubricant contamination in sliding bearings can lead to various challenges that impact performance and longevity. Here are some challenges and solutions:

Challenge: Reduced Lubrication Effectiveness

Contaminants such as dust, dirt, moisture, and foreign particles can compromise the lubricant’s ability to provide effective lubrication between bearing surfaces.

Solution: Regular maintenance practices involving cleaning and relubrication help remove contaminants and restore the lubricant’s effectiveness. Proper seals and shields can also prevent contaminants from entering the bearing.

Challenge: Increased Friction and Wear

Contaminants in the lubricant can create abrasive particles that increase friction and accelerate wear on bearing surfaces.

Solution: Using high-quality, clean lubricants and implementing effective filtration systems can minimize the presence of contaminants, reducing friction and wear.

Challenge: Component Damage

Contaminants can cause pitting, scratching, and other damage to bearing surfaces, leading to decreased performance and potential bearing failure.

Solution: Regular inspections and cleaning routines are essential to prevent the accumulation of contaminants. Using lubricants with appropriate viscosity and additives can also help protect bearing surfaces.

Challenge: Increased Heat and Temperature

Contaminants can create heat and increase operating temperatures due to increased friction, which can negatively impact bearing performance.

Solution: Clean lubricants with proper viscosity and thermal stability are essential to dissipate heat effectively. Maintaining proper lubrication levels helps manage temperature rise.

Challenge: Corrosion

Moisture and certain contaminants can lead to corrosion of bearing surfaces, which compromises their structural integrity.

Solution: Proper storage and handling of bearings, as well as using corrosion-resistant lubricants, can mitigate the risk of corrosion. Seals and shields also provide additional protection against moisture ingress.

Challenge: Lubricant Breakdown

Contaminants and high operating temperatures can cause lubricants to degrade over time, reducing their lubricating properties.

Solution: Monitoring lubricant condition and replenishing or changing it at appropriate intervals helps maintain its effectiveness. Using lubricants with good oxidation resistance is also important.

Lubricant contamination in sliding bearings can significantly impact their performance and longevity. Implementing proper maintenance practices, using clean and suitable lubricants, and employing effective sealing mechanisms are key strategies to address these challenges and ensure optimal sliding bearing operation.

sliding bearing

Enhancing Efficiency of Marine Propulsion Systems with Sliding Bearings

Sliding bearings play a crucial role in enhancing the efficiency of marine propulsion systems and various ship components. Here’s how sliding bearings contribute to the efficiency of maritime applications:

Reduced Friction: Sliding bearings are designed to minimize friction between moving parts. In marine propulsion systems, such as propeller shafts and stern tubes, reduced friction results in less energy loss and improved fuel efficiency.

Smooth Operation: Sliding bearings provide smooth and controlled movement of rotating or linear components. In marine applications, this smooth operation translates to improved maneuverability, reduced vibrations, and enhanced overall performance.

Load Distribution: Sliding bearings distribute loads evenly across bearing surfaces. This even distribution helps prevent localized wear and reduces the risk of premature failure, ensuring reliable operation of ship components.

Resistance to Harsh Environments: Marine environments expose equipment to corrosive saltwater, extreme temperatures, and harsh weather conditions. Sliding bearings are often designed with materials and coatings that offer corrosion resistance and durability, ensuring longevity even in challenging maritime settings.

Enhanced Lubrication: Lubrication is vital for reducing wear and friction in sliding bearings. Many marine applications use advanced lubrication systems that optimize the distribution of lubricants, further reducing friction and improving efficiency.

Space Efficiency: Sliding bearings are compact and require minimal space, making them suitable for marine systems where space is limited. This efficient use of space is particularly important in ship design and layout.

Customization for Specific Needs: Sliding bearings can be tailored to meet the specific requirements of different ship components. This customization ensures that bearings are optimized for their intended functions, further contributing to efficiency.

Reduced Maintenance: Properly designed sliding bearings require less maintenance compared to some other types of bearings. This reduced maintenance need translates to less downtime and increased operational efficiency for marine vessels.

Optimized Performance: Overall, the efficient and reliable performance of sliding bearings in marine propulsion systems and ship components leads to improved energy efficiency, reduced operational costs, and extended service life of the equipment.

By incorporating sliding bearings into marine applications, shipbuilders and operators can achieve enhanced efficiency, reliability, and sustainability in their operations.

sliding bearing

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.

China high quality Sliding Load Seismic Isolate PTFE Bridge Bearing Pad   carrier bearingChina high quality Sliding Load Seismic Isolate PTFE Bridge Bearing Pad   carrier bearing
editor by CX 2023-11-17

China High Quality PTFE Elastomeric Bridge Bearing Round Shape with high quality

Product Description

Item Description

PTFE bearing pad, also known as Teflon bearing pads, is an important substance in bridge building. The dimpled PTFE sheet bonded to the laminated bearing pad for framework friction coefficient reduction and displacement capability advancement. It provides a sliding floor for growth accommodation, the elasticity of the bearing pad is large sufficient to suit the rotation of beam end, and also the shear deformation is effective to cope with the horizontal of the superstructure. Listed here are spherical and rectangular 2 primary shapes of PTFE bearing pad introduced to you.

Classification

PTFE bearing pad can be divided into roundPTFE bearing pad and rectangular PTFE bearing pad according to diverse styles. They can be employed in diverse bridge sorts. The rectangular PTFE bearing pad is commonly utilized in the straight bridge or correct bridge. The spherical Teflon bearing pad is extensively employed in the skew bridge, curved bridge and other bridges.

Technical index Neoprene Rubber Organic Rubber
Hardness (IRHD) 60±5 60±5
Strength Tensile (Mpa) ≥17 ≥18
Elongation at break (%) ≥400 ≥450
Brittleness temperature (ºC) ≤40 ≤-50
Constant compression permanent deformation ≤15 ≤30
Resistance to CZPT getting older examination
(check conditions,twenty% elongation,40ºC×96h)
100ppmm 25ppmm
No cracking No cracking
Hot air growing older examination
(The greatest change comparing with prior to growing older numerical)
Test conditions (ºC×h) 100×70 70×168
Toughness Tensile (%) -fifteen -fifteen
Elongation at break(%) -40 -20
Variation in hardness(IRHD) ,+10 -5,+ten
Strength of rubber and steel Peel adhesive (KN/m) >10 >10
Strength of 4 fluorine plate and rubber (KN/m) >7 >7

Comprehensive Photographs

 

 

 

Application

  • It is suitable for large span, multi-span steady beam and basically supported beam and other massive displacement bridges.
  • It can also be used as the sliding plate in continuous beam pushing development and T beam transverse sliding.

Feature

  • Little friction coefficient.
  • More substantial shear capability.
  • Ideal for massive span bridge development.
  • Superb buffering and shock isolation.
  • Face up to vertical load and rotation.

Packaging & Shipping

Business Profile

HangZhou JingTong Rubber Co., Ltd. with more than fifteen many years expertise to offer you bearing pad all in excess of the phrase. There are advanced technologies, secure generation surroundings, expert manufacturing crew, robust sales team and other services to help you choice the suited generation. Our bearing pads have been used in several famous engineering effectively, we are worthy of your trust.

Our Benefits

one. Sophisticated and Adequate products More than a hundred sets of most advanced gear in our workshop make sure timely shipping and delivery time for huge orders. Additional, it can ensure standardized creation, which accord with intercontinental standard.
2. Skilled and experienced worker crew Outfitted with specialist generation capabilities and several years knowledge, our worker crew can improve production effectiveness and reduce creation losses for expense reduction.
3. Several versions for accomplished products We have virtually all of normal bearing pad designs to generate normal bearing pads, such as pot bearing, laminated bearing pad, spherical bridge bearing, high damping rubber bearing and direct rubber bearings.
four. Ideal Package deal & Well timed delivery All the goods are inspected before loading, then they will be properly packed. Then our expert loading team will function the tools for straightforward and rapidly loading.
five. Specialist sales team Total understanding of bearing pad products, very good spoken and composed English and excellent conversation skills can supply you the very best answers to your inquiries. You can ask for recommendation, custom-made support and any other information you want from them.

 

After-sales Service: Installation Guide
Warranty: 2 Years
Certification: ISO
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Natural Rubber, Neoprene , Q235 Steel Plate, PTFE

###

Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Technical index Neoprene Rubber Natural Rubber
Hardness (IRHD) 60±5 60±5
Strength Tensile (Mpa) ≥17 ≥18
Elongation at break (%) ≥400 ≥450
Brittleness temperature (ºC) ≤40 ≤-50
Constant compression permanent deformation ≤15 ≤30
Resistance to ozone aging test
(test conditions,20% elongation,40ºC×96h)
100ppmm 25ppmm
No cracking No cracking
Hot air aging test
(The biggest change comparing with before aging numerical)
Test conditions (ºC×h) 100×70 70×168
Strength Tensile (%) -15 -15
Elongation at break(%) -40 -20
Variation in hardness(IRHD) 0,+10 -5,+10
Strength of rubber and steel Peel adhesive (KN/m) >10 >10
Strength of four fluorine plate and rubber (KN/m) >7 >7
After-sales Service: Installation Guide
Warranty: 2 Years
Certification: ISO
Usage: Beam Bridge, Highway Bridge, Railroad Bridge
Structure: Laminated Rubber Bearing
Material: Natural Rubber, Neoprene , Q235 Steel Plate, PTFE

###

Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Technical index Neoprene Rubber Natural Rubber
Hardness (IRHD) 60±5 60±5
Strength Tensile (Mpa) ≥17 ≥18
Elongation at break (%) ≥400 ≥450
Brittleness temperature (ºC) ≤40 ≤-50
Constant compression permanent deformation ≤15 ≤30
Resistance to ozone aging test
(test conditions,20% elongation,40ºC×96h)
100ppmm 25ppmm
No cracking No cracking
Hot air aging test
(The biggest change comparing with before aging numerical)
Test conditions (ºC×h) 100×70 70×168
Strength Tensile (%) -15 -15
Elongation at break(%) -40 -20
Variation in hardness(IRHD) 0,+10 -5,+10
Strength of rubber and steel Peel adhesive (KN/m) >10 >10
Strength of four fluorine plate and rubber (KN/m) >7 >7

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

bearing
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

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editor by czh 2022-12-30