Tag Archives: double row bearings

China Custom Hebei High Speed High Quality Gearbox Windows Sliding Sliding Gate Roller 25*62*17 6305 Deep Groove Ball Bearings double row ball bearing

Product Description

Product Parameters

Product Name Deep Groove Ball Bearings
Brand Name NMN
Material Chrome Steel  GCr15  Stainless Steel  Ceramic  Nylon
Cage Steel  Brass  Nylon
Weight(kg) 0.2193
Clearance C0 C2 C3 C4 C5
Seals Type Open Z 2Z 2RS Znr 2RS1 2rsh 2rsl 2znr
Precision Grade P0  P6  P5  P4  P2
Vibration V1 V2 V3 V4
Quality ABEC1, 3, 5, 7,9
Load Rating(kN) Cr 21.2
Cor 10.9
Limiting Speed Oil 13000
Grease 10000
Service OEM  ODM
Sample Available
Port HangZhou/ZheJiang

Product Details

Single row deep groove ball bearings are used in a wide variety of applications, they are simple in design, non-separable, suitable for high speeds and are robust in operation, and need little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads.

6305 bearing has the advantages of low noise, low friction and high speed, and is equipped with sealing cover, grease, etc., to extend the life of the product.
We provide OEM, ODM and other services, and provide you with relevant consulting information to help you with bearing selection, clearance configuration, product life and reliability analysis. We offer localized shipping solutions to save your shipping costs.
We can provide free samples, can accept custom LOGO or drawings, can design packaging according to requirements.

 

Bearing Models

Number Specifiction Load Rating (KN) Limiting Speed (r/min) Weight(Kg/pc)
d(mm) D(mm) B(mm) r(mm) Cr Cor Grease Oil
6300 10 35 11 0.6 8.2 3.5 15000 21000 0.053
6301 12 37 12 1.0 9.7 4.2 14000 20000 0.06
6302 15 42 13 1.0 11.4 5.45 13000 18000 0.082
6303 17 47 14 1.0 13.5 6.55 12000 17000 0.115
6304 20 52 15 1.1 15.9 7.9 11000 15000 0.144
6305 25 62 17 1.1 21.2 10.9 10000 13000 0.2193
6306 30 72 19 1.1 26.7 15 8000 10000 0.3498
6307 35 80 21 1.5 33.5 19.1 6800 8000 0.4542
6308 40 90 23 1.5 40.5 24 5800 7200 0.6394
6309 45 100 25 1.5 53 32 5000 6200 0.8362
6310 50 110 27 2.0 62 38.5 4400 5500 1.0822
6311 55 120 29 2.0 74.1 45 4200 5300 1.35
6312 60 130 31 2.1 85.2 52 4000 5100 1.7
6313 65 140 33 2.1 97.5 60 3900 5000 2.1
6314 70 150 35 2.1 111 68 3800 4800 2.5
6315 75 160 37 2.1 119 76.5 3600 5600 3
6403 17 62 17 1.1 22.7 10.8 14000 1600 0.27
6404 20 72 19 1.1 28.5 13.9 12000 14000 0.4
6405 25 80 21 1.5 34.5 17.5 10000 12000 0.53
6406 30 90 23 1.5 43.5 25 8800 10000 0.735
6407 35 100 25 1.5 55 31 7800 9100 0.952
6408 40 110 27 2 63.5 36.5 7000 8200 1.23
6409 45 120 29 2 77 40 6300 7400 1.53
6410 50 130 31 2.1 83 43 5700 6700 1.88
6411 55 140 33 2.1 89 49.5 5200 6100 2.29
6412 60 150 35 2.1 102 0.49 4800 5700 2.77
6413 65 160 37 2.1 111 0.68 4400 5200 3.3
6414 70 180 42 3 128 0.885 4100 4800 4.83
6415 75 190 45 3 138 99 3800 4500 5.72
6416 80 200 48 3 164 125 3600 4200 6.76
6417 85 210 52 4 165 128 3400 4000 7.95
6418 90 225 54 4 184 149 3200 3800 11.4
6419 95 240 55 4 186 153 3000 3500 13.4
6420 100 250 58 4 206 175 2900 3400 15

Packaging & Shipping

·Plastic rolling packing + Plastic bag + Paper carton
·Single Box + Plastic rolling packing + Plastic bag + Paper carton+pallet
·According to customer requirement

Applications

About Us

ZheJiang CZPT Bearing Group is a professional bearing manufacturer and exporter in China. We have been engaged in bearing industry for 20 years. Our company is specialized in producing Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ designs.Our bearings has been widely applied into agricultural equipments, home appliances, power equipments, machine tools, automotives and engineering machinery, etc.

Our production is strictly executed with ISO9001 and ISO14001. Our products are mainly exported to Singapore, South Kora, Vietnam, Thailand, Turkey, Pakistan, Australia, Polan, France, UK, South America, USA, South Africa and other countries and regions of the world, with great public praise of high quality and reasonable price.

Company Profile

FAQ

1.Q:Could you supply free sample of bearing for our test?
A:Yes. Please afford the express fee and we will send you the sample within your first order.

2.Q:Sample time?
A:Within 3-4 days.

3.Q:Are you a factory or a Trade Company for Bearing ?
A:We are the factory.

4.Q:Whether you could make your products by our color?
A:Yes, The color of products can be customized if you can meet our MOQ.

5.Q:Could you accept OEM and customize?
A:Yes, OEM and ODM are accepted and we can customize for you according to sample or drawing.

6.Q:Do you have stocks?
A:Yes, most of the bearings showing on alibaba are in stock,especialy big bearings.

 

We sincerely hope we can build a long term relationship with all the clients and we also have great confidence in cooperating with every potential customer by most premium service and competitive price.

Welcome your inquiry and welcome your visit. 

/* 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

Contact Angle: Nmn
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 0.01/Set
1 Set(Min.Order)

|
Request Sample

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

Impact of Materials on Sliding Bearing Performance and Durability

The choice of materials used in sliding bearings significantly influences their performance, longevity, and suitability for specific applications. Different materials offer varying characteristics that affect factors such as friction, wear resistance, load capacity, and corrosion resistance. Here are some common materials and their effects:

  • Bronze Bearings: Bronze bearings, often made from bronze alloys, offer good load-carrying capacity and resistance to wear. They are suitable for applications with moderate to heavy loads and low to moderate speeds. Bronze bearings also have good heat dissipation properties.
  • Steel Bearings: Steel bearings, particularly those made from stainless steel, provide excellent corrosion resistance and are suitable for applications exposed to harsh environments or moisture. Steel bearings are often used in marine and food processing industries.
  • Polymer Bearings: Polymer bearings, such as those made from materials like PTFE (polytetrafluoroethylene) or nylon, offer low friction and self-lubricating properties. They are suitable for applications where minimizing friction and wear is critical.
  • Composite Bearings: Composite bearings combine different materials to achieve specific performance characteristics. For instance, they might feature a polymer matrix with embedded reinforcing fibers for improved load capacity and wear resistance.
  • Graphite Bearings: Bearings with graphite as a lubricating element can operate without additional lubrication in certain conditions, reducing maintenance needs and offering self-lubricating properties.

The selection of materials should consider factors such as the application’s operating conditions, load requirements, speed, temperature, and the presence of corrosive substances. The right material choice ensures optimal performance, durability, and minimal maintenance for sliding bearings.

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 Custom Hebei High Speed High Quality Gearbox Windows Sliding Sliding Gate Roller 25*62*17 6305 Deep Groove Ball Bearings   double row ball bearingChina Custom Hebei High Speed High Quality Gearbox Windows Sliding Sliding Gate Roller 25*62*17 6305 Deep Groove Ball Bearings   double row ball bearing
editor by CX 2024-05-14

China wholesaler Sliding Gate Roller Trailer Axle Gearbox Chrome Steel Gcr15 Stainless Steel Ceramic Nylon 20*52*15 6304 Deep Groove Ball Bearings double row ball bearing

Product Description

Product Parameters

Product Name Deep Groove Ball Bearings
Brand Name NMN
Material Chrome Steel  GCr15  Stainless Steel  Ceramic  Nylon
Cage Steel  Brass  Nylon
Weight(kg) 0.053
Clearance C0 C2 C3 C4 C5
Seals Type Open Z 2Z 2RS Znr 2RS1 2rsh 2rsl 2znr
Precision Grade P0  P6  P5  P4  P2
Vibration V1 V2 V3 V4
Quality ABEC1, 3, 5, 7,9
Load Rating(kN) Cr 15.9
Cor 7.9
Limiting Speed Oil 15000
Grease 11000
Service OEM  ODM
Sample Available
Port HangZhou/ZheJiang

Product Details

Single row deep groove ball bearings are used in a wide variety of applications, they are simple in design, non-separable, suitable for high speeds and are robust in operation, and need little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads.

6304 bearing has the advantages of low noise, low friction and high speed, and is equipped with sealing cover, grease, etc., to extend the life of the product.
We provide OEM, ODM and other services, and provide you with relevant consulting information to help you with bearing selection, clearance configuration, product life and reliability analysis. We offer localized shipping solutions to save your shipping costs.
We can provide free samples, can accept custom LOGO or drawings, can design packaging according to requirements.

Bearing Models

Number Specifiction Load Rating (KN) Limiting Speed (r/min) Weight(Kg/pc)
d(mm) D(mm) B(mm) r(mm) Cr Cor Grease Oil
6300 10 35 11 0.6 8.2 3.5 15000 21000 0.053
6301 12 37 12 1.0 9.7 4.2 14000 20000 0.06
6302 15 42 13 1.0 11.4 5.45 13000 18000 0.082
6303 17 47 14 1.0 13.5 6.55 12000 17000 0.115
6304 20 52 15 1.1 15.9 7.9 11000 15000 0.144
6305 25 62 17 1.1 21.2 10.9 10000 13000 0.2193
6306 30 72 19 1.1 26.7 15 8000 10000 0.3498
6307 35 80 21 1.5 33.5 19.1 6800 8000 0.4542
6308 40 90 23 1.5 40.5 24 5800 7200 0.6394
6309 45 100 25 1.5 53 32 5000 6200 0.8362
6310 50 110 27 2.0 62 38.5 4400 5500 1.0822
6311 55 120 29 2.0 74.1 45 4200 5300 1.35
6312 60 130 31 2.1 85.2 52 4000 5100 1.7
6313 65 140 33 2.1 97.5 60 3900 5000 2.1
6314 70 150 35 2.1 111 68 3800 4800 2.5
6315 75 160 37 2.1 119 76.5 3600 5600 3
6403 17 62 17 1.1 22.7 10.8 14000 1600 0.27
6404 20 72 19 1.1 28.5 13.9 12000 14000 0.4
6405 25 80 21 1.5 34.5 17.5 10000 12000 0.53
6406 30 90 23 1.5 43.5 25 8800 10000 0.735
6407 35 100 25 1.5 55 31 7800 9100 0.952
6408 40 110 27 2 63.5 36.5 7000 8200 1.23
6409 45 120 29 2 77 40 6300 7400 1.53
6410 50 130 31 2.1 83 43 5700 6700 1.88
6411 55 140 33 2.1 89 49.5 5200 6100 2.29
6412 60 150 35 2.1 102 0.49 4800 5700 2.77
6413 65 160 37 2.1 111 0.68 4400 5200 3.3
6414 70 180 42 3 128 0.885 4100 4800 4.83
6415 75 190 45 3 138 99 3800 4500 5.72
6416 80 200 48 3 164 125 3600 4200 6.76
6417 85 210 52 4 165 128 3400 4000 7.95
6418 90 225 54 4 184 149 3200 3800 11.4
6419 95 240 55 4 186 153 3000 3500 13.4
6420 100 250 58 4 206 175 2900 3400 15

Packaging & Shipping

·Plastic rolling packing + Plastic bag + Paper carton
·Single Box + Plastic rolling packing + Plastic bag + Paper carton+pallet
·According to customer requirement

Applications

About Us

ZheJiang CZPT Bearing Group is a professional bearing manufacturer and exporter in China. We have been engaged in bearing industry for 20 years. Our company is specialized in producing Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ designs.Our bearings has been widely applied into agricultural equipments, home appliances, power equipments, machine tools, automotives and engineering machinery, etc.

Our production is strictly executed with ISO9001 and ISO14001. Our products are mainly exported to Singapore, South Kora, Vietnam, Thailand, Turkey, Pakistan, Australia, Polan, France, UK, South America, USA, South Africa and other countries and regions of the world, with great public praise of high quality and reasonable price.

Company Profile

FAQ

1.Q:Could you supply free sample of bearing for our test?
A:Yes. Please afford the express fee and we will send you the sample within your first order.

2.Q:Sample time?
A:Within 3-4 days.

3.Q:Are you a factory or a Trade Company for Bearing ?
A:We are the factory.

4.Q:Whether you could make your products by our color?
A:Yes, The color of products can be customized if you can meet our MOQ.

5.Q:Could you accept OEM and customize?
A:Yes, OEM and ODM are accepted and we can customize for you according to sample or drawing.

6.Q:Do you have stocks?
A:Yes, most of the bearings showing on alibaba are in stock,especialy big bearings.

 

We sincerely hope we can build a long term relationship with all the clients and we also have great confidence in cooperating with every potential customer by most premium service and competitive price.

Welcome your inquiry and welcome your visit. 

/* 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

Contact Angle: Nmn
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 0.01/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

sliding bearing

Improvement of Heavy Machinery Operation with Sliding Bearings

Sliding bearings play a crucial role in enhancing the operation of heavy machinery, such as mining equipment. Here’s how they contribute:

Reduced Friction and Wear:

Sliding bearings are designed to minimize friction between moving parts. In heavy machinery, where components are subjected to substantial loads and harsh conditions, reducing friction is essential to prevent premature wear and damage. Sliding bearings help distribute loads evenly and provide a smooth surface for components to slide against, reducing the risk of friction-induced failures.

Increased Durability:

The robust construction and materials used in sliding bearings make them well-suited for heavy machinery applications. They can withstand the heavy loads, impacts, and vibrations commonly encountered in mining equipment. Their durability contributes to the overall reliability and longevity of the machinery.

Improved Efficiency:

Efficiency is critical in heavy machinery to maximize productivity while minimizing energy consumption. Sliding bearings contribute to improved efficiency by reducing energy losses due to friction. With lower friction, machinery components can move more freely, requiring less energy to overcome resistance.

Resistance to Contaminants:

Mining environments are often filled with dust, dirt, and debris that can infiltrate machinery components. Sliding bearings are designed to operate effectively even in contaminated conditions. Their design and materials help prevent the intrusion of contaminants, reducing the risk of premature wear and component failure.

Enhanced Load Distribution:

Heavy machinery, especially in mining, experiences dynamic and uneven loads. Sliding bearings help distribute these loads evenly across surfaces, preventing localized stress concentrations. This load distribution contributes to the machinery’s overall structural integrity and minimizes the risk of catastrophic failures.

In conclusion, sliding bearings are integral to the efficient and reliable operation of heavy machinery in industries like mining. Their ability to reduce friction, enhance durability, improve efficiency, resist contaminants, and distribute loads makes them invaluable components for ensuring the smooth functioning of mining equipment.

sliding bearing

Signs of Wear or Damage in Sliding Bearings and Replacement Timing

Recognizing signs of wear or damage in sliding bearings is crucial for maintaining the performance and integrity of machinery and equipment. Here are the common signs to look for and the appropriate timing for replacement:

Increased Friction and Heat: If you notice higher levels of friction or heat around the bearing area, it could indicate that the bearing surfaces are experiencing excessive wear. Over time, this can lead to reduced efficiency and potentially cause further damage to the bearing and surrounding components.

Abnormal Noise: Unusual noises, such as grinding, squeaking, or knocking sounds, can indicate wear or damage within the sliding bearings. These noises are often caused by metal-to-metal contact or irregular movement of the bearing surfaces.

Uneven Wear Patterns: Inspect the bearing surfaces for uneven wear patterns, pitting, or scoring. These signs suggest that the bearing is not distributing the load properly, leading to localized damage and reduced performance.

Reduced Performance: If you notice a decline in the overall performance of the machinery or equipment, such as decreased output, slower operation, or reduced precision, it could be due to compromised sliding bearings.

Excessive Vibration: Excessive vibration can be a result of misaligned or damaged sliding bearings. Vibrations can affect the stability of the machinery and lead to premature wear of other components.

Visible Debris or Contamination: If you observe signs of debris, contaminants, or metal particles in the lubricant or around the bearing area, it could indicate wear or damage. Contaminants can accelerate wear and cause abrasive damage to the bearing surfaces.

Leakage of Lubricant: Sliding bearings often require proper lubrication to function effectively. If you notice a significant amount of lubricant leakage or seepage, it might be a sign that the bearing seals are compromised, which can lead to inadequate lubrication and accelerated wear.

Replacement Timing: It’s essential to replace sliding bearings as soon as signs of wear or damage are detected. Delaying replacement can lead to further deterioration, increased downtime, and potential damage to other components. Regular maintenance and inspections can help catch these issues early and prevent costly breakdowns.

Overall, monitoring the condition of sliding bearings through routine inspections and addressing signs of wear promptly can help ensure the longevity, efficiency, and reliability 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 wholesaler Sliding Gate Roller Trailer Axle Gearbox Chrome Steel Gcr15 Stainless Steel Ceramic Nylon 20*52*15 6304 Deep Groove Ball Bearings   double row ball bearingChina wholesaler Sliding Gate Roller Trailer Axle Gearbox Chrome Steel Gcr15 Stainless Steel Ceramic Nylon 20*52*15 6304 Deep Groove Ball Bearings   double row ball bearing
editor by CX 2024-03-28

China manufacturer Wj387 29364 29368 29372 29376 29380 29384 CZPT CZPT CZPT CZPT CZPT CZPT C&U Thrust Roller Bearings 1688 Sliding Door Roller Bearings double row ball bearing

Product Description

Product Description

WHY CHOOSE E-ASIA BEARING?

1) 20 years of rich bearing industry export experience
2) ISO & MPA & CE & SGS & BV certified
3) Professional engineers team and Superior machines
4) 1 hour to HangZhou port or ZheJiang port
5) Strict quality inspection (3 steps) before shipment, such as SGS/BV third party certified.

CHOOSE E-ASIA       REFUSED ONE TIME BUSINESS

Thrust Roller Bearings 81series 81102 81103 81104 81105 81106 81107 81108 81109 81110 81111 81112 81113 81114 81115 81116 81117 81118 81120 81122 81124 81126 81128 81130 81132 81134 81136 81138 81140 81144 81148 81152 81156 81160 81164 81168 81172 81176 81180 81184 81188 81192 81196 811/5 110145 120155 130170 140180 150190 165710

Company Profile

        E-Asia was set up in 1996 and located at HangZhou, a beautiful city in China. Our company is bearing manufacturer and NSK CZPT CZPT CZPT CZPT HRB LYC NACHI C&U bearing distributor. We also provide OEM beaings.Since it was first established, E-AISA was dedicated in research, development and manufacture of bearings. Now, E-AISA has become main and 1 of the first grade suppliers of all kinds of bearings.
          Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings,Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings and Trust Roller Bearings and Special Bearings.
        E-Asia is a backbone enterprise for bearing production in China. With an area of 60, 000 square meters, more than 260 sets devices and machines, and around 200 employees, our company annually turns out more than 6 million sets bearings.

        Our Bearings are exported to the USA, Canada, UK, Germany, Poland, Italy, Russia, the Middle East, Africa and other countries and regions of the world. E-Asia Bearing Co. Ltd. Is committed to the introduction of high-quality bearing products. Our company have more than 200 employees.
        Our brands include ZWZ bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings and so forth.

 
Our belief is “Specialization is quality; Quality is the future. Any product with 0.01% defect is 100% reject” is our quality policy.

Packaging & Shipping

FAQ

1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

2.What is your latest delivery time?
Most orders will be shipped within 3-5 days of payment being received.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Brand: Koyo, Timken NSK NTN .
Precision: Z1V1 Z2V2 Z3V3
Cage: Steel, Nylon, Brass
Customization:
Available

|

Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

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

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

Benefits of Sliding Bearings in Low-Speed and Heavy-Load Applications

Sliding bearings offer significant advantages in low-speed and heavy-load applications, where their unique characteristics provide optimal performance. Some examples of scenarios where sliding bearings benefit such applications include:

  • Mining Equipment: Sliding bearings are used in mining machinery such as crushers, mills, and conveyor systems. These applications often involve heavy loads and low speeds, where sliding bearings can provide robust support and reliable operation.
  • Steel Mills: In steel production, sliding bearings are utilized in rolling mills and continuous casting machines. These operations require handling heavy loads and slow rotation speeds, making sliding bearings suitable for providing the necessary support.
  • Hydraulic Systems: Sliding bearings are used in hydraulic cylinders, where slow and controlled movements are required for applications like construction machinery, material handling equipment, and heavy-duty presses.
  • Cranes and Lifts: Sliding bearings are employed in the construction of cranes, elevators, and lifting platforms. These applications involve lifting and lowering heavy loads at controlled speeds, making sliding bearings crucial for smooth and reliable motion.
  • Wind Turbines: Sliding bearings are used in the yaw and pitch systems of wind turbines. These systems need to handle the substantial weight of the turbine blades and operate at low speeds to optimize energy generation.

In these scenarios and more, sliding bearings provide the necessary support, stability, and durability required for low-speed and heavy-load applications.

sliding bearing

Design Principles and Functions of Sliding Bearings

Sliding bearings, also known as plain bearings or journal bearings, operate on the principle of providing a low-friction interface between two moving surfaces. The design of sliding bearings is based on creating a film of lubrication between the bearing surface and the shaft or journal it supports. This film of lubrication separates the two surfaces and minimizes direct metal-to-metal contact, reducing friction and wear.

The main components and design principles of sliding bearings include:

  • Bearing Material: Sliding bearings are typically made from materials with good wear resistance and self-lubricating properties, such as bronze, brass, or various polymers. These materials help reduce friction and prevent excessive wear.
  • Lubrication: Lubrication is crucial for the proper functioning of sliding bearings. It can be provided by an external lubricant, solid lubricants embedded in the bearing material, or a combination of both. The lubrication forms a protective layer that reduces direct contact and minimizes friction.
  • Clearance: Sliding bearings are designed with a specific clearance between the bearing and the shaft to accommodate the lubricating film and allow for proper movement. This clearance prevents seizing and binding of the bearing.
  • Load Distribution: The design of sliding bearings ensures that the load is distributed over a larger surface area to prevent excessive stress on any single point. This feature is essential for handling heavy loads in industrial applications.
  • Alignment and Misalignment: Sliding bearings can tolerate small misalignments between the bearing and the shaft. This flexibility allows them to accommodate minor shifts caused by thermal expansion, vibration, or other factors.
  • Heat Dissipation: Sliding bearings can generate frictional heat during operation. Proper design includes features to facilitate heat dissipation and prevent overheating that could lead to premature wear.
  • Application-Specific Design: The design of sliding bearings can vary based on the specific application requirements, including load capacity, speed, operating temperature, and environmental conditions.

The functions of sliding bearings include providing support to rotating or sliding shafts, reducing friction, absorbing and distributing loads, allowing for misalignment, and offering smooth movement even in dirty or contaminated environments. Sliding bearings are commonly used in various industrial machinery and equipment, including engines, pumps, conveyors, and manufacturing equipment.

Overall, the design principles and functions of sliding bearings make them suitable for applications where low friction, durability, load-bearing capacity, and adaptability to varying conditions are essential.

China manufacturer Wj387 29364 29368 29372 29376 29380 29384 CZPT CZPT CZPT CZPT CZPT CZPT C&U Thrust Roller Bearings 1688 Sliding Door Roller Bearings   double row ball bearingChina manufacturer Wj387 29364 29368 29372 29376 29380 29384 CZPT CZPT CZPT CZPT CZPT CZPT C&U Thrust Roller Bearings 1688 Sliding Door Roller Bearings   double row ball bearing
editor by CX 2024-02-19

China 1688 NTN Bearing20 Deep Groove Ball Bearing Hch Ball Bearings Price Self-Aligning Ball Bearing UC Bearing Bearing Housing Romania Bearing Price double row ball bearing

Product Description

Product Description

Deep groove ball bearings are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount and require less maintenance than other bearing types. 

Product Name deep groove ball bearing
Material Bearing Steel
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Standard DIN GB ISO JIS
Application Area Mining/metallurgy/agriculture/chemical industry/textile/machinery
Delivery time 3-10 days depends on quantity needed

Features and Benefits:
1. Low friction and running temperatures, low noise, and vibration
2. High running speeds
3. High quality and performance capabilities for your application
4. Accommodate radial loads and axial loads in both directions
5. Available with a variety of greases for most conditions, including food quality grease, high-temperature grease, and Solid Oil
6. Increased reliability and provide long bearing and lubricant service life
Applications:
Electric motors and generators
Agriculture
Material handling
Industrial transmissions
Food and beverage
Industrial pumps
Industrial fans
Two and 3 wheelers
Cars and light trucks

Model Bruttopris i DKK ID(d) OD(D) Width (B) Weight
6306-Z 69729 30 72 19 3700
6307 60583 35 80 21 4800
6307 NR 63820 35 866 21 4800
6307C3 60583 35 80 21 4800
6307-DDU 90661 35 80 21 4900
6307-ZZCM 72772 35 80 21 5000
6307-Z 69050 35 80 21 4900
6307-Z 118114 35 80 21 4400
6307-ZNR 72653 35 866 21 4900
6308 64984 40 90 23 6700
6308 N 73936 40 90 23 6600
6308 NR 75316 40 965 23 6800
6308 NRC3 75718 40 965 23 6800
6308 -TVHC3 64633 40 90 23 5800
6308C3 69661 40 90 23 6700
6308-ZZCM 75547 40 90 23 7000
6308-Z 74660 40 90 23 6800
6308-ZNR 75913 40 965 23 6800
6309 81329 45 100 25 8900
6309 NR 89557 45 1065 25 9000
6309 NRC3 92743 45 1065 25 9000
6309C3 81329 45 100 25 8900
6309-ZZCM 10571 45 100 25 9100
6309-Z 92631 45 100 25 9000
6309-ZNR 93183 45 1065 25 9100
6310 97390 50 110 27 11500

Our Advantages

1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.

2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
 

SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

FAQ

1.What is the minimum order quantity for this product?

Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.

2.What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.

3.Does your company have quality assurance?
Yes, for 2 years.

4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.

5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.

6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.

7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
 

Please feel free to contact us, if you have any other question

 

US $0.5
/ Piece
|
1 Piece

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Contact Angle: 45°
Aligning: Aligning Bearing
Separated: Separated

###

Customization:

###

Product Name deep groove ball bearing
Material Bearing Steel
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Standard DIN GB ISO JIS
Application Area Mining/metallurgy/agriculture/chemical industry/textile/machinery
Delivery time 3-10 days depends on quantity needed

###

Model Bruttopris i DKK ID(d) OD(D) Width (B) Weight
6306-Z 69729 30 72 19 3700
6307 60583 35 80 21 4800
6307 NR 63820 35 866 21 4800
6307C3 60583 35 80 21 4800
6307-DDU 90661 35 80 21 4900
6307-ZZCM 72772 35 80 21 5000
6307-Z 69050 35 80 21 4900
6307-Z 118114 35 80 21 4400
6307-ZNR 72653 35 866 21 4900
6308 64984 40 90 23 6700
6308 N 73936 40 90 23 6600
6308 NR 75316 40 965 23 6800
6308 NRC3 70288 40 965 23 6800
6308 -TVHC3 64633 40 90 23 5800
6308C3 69661 40 90 23 6700
6308-ZZCM 75547 40 90 23 7000
6308-Z 74660 40 90 23 6800
6308-ZNR 75913 40 965 23 6800
6309 81329 45 100 25 8900
6309 NR 89557 45 1065 25 9000
6309 NRC3 92743 45 1065 25 9000
6309C3 81329 45 100 25 8900
6309-ZZCM 100934 45 100 25 9100
6309-Z 92631 45 100 25 9000
6309-ZNR 93183 45 1065 25 9100
6310 97390 50 110 27 11500
US $0.5
/ Piece
|
1 Piece

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Contact Angle: 45°
Aligning: Aligning Bearing
Separated: Separated

###

Customization:

###

Product Name deep groove ball bearing
Material Bearing Steel
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Standard DIN GB ISO JIS
Application Area Mining/metallurgy/agriculture/chemical industry/textile/machinery
Delivery time 3-10 days depends on quantity needed

###

Model Bruttopris i DKK ID(d) OD(D) Width (B) Weight
6306-Z 69729 30 72 19 3700
6307 60583 35 80 21 4800
6307 NR 63820 35 866 21 4800
6307C3 60583 35 80 21 4800
6307-DDU 90661 35 80 21 4900
6307-ZZCM 72772 35 80 21 5000
6307-Z 69050 35 80 21 4900
6307-Z 118114 35 80 21 4400
6307-ZNR 72653 35 866 21 4900
6308 64984 40 90 23 6700
6308 N 73936 40 90 23 6600
6308 NR 75316 40 965 23 6800
6308 NRC3 70288 40 965 23 6800
6308 -TVHC3 64633 40 90 23 5800
6308C3 69661 40 90 23 6700
6308-ZZCM 75547 40 90 23 7000
6308-Z 74660 40 90 23 6800
6308-ZNR 75913 40 965 23 6800
6309 81329 45 100 25 8900
6309 NR 89557 45 1065 25 9000
6309 NRC3 92743 45 1065 25 9000
6309C3 81329 45 100 25 8900
6309-ZZCM 100934 45 100 25 9100
6309-Z 92631 45 100 25 9000
6309-ZNR 93183 45 1065 25 9100
6310 97390 50 110 27 11500

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.

China 1688 NTN Bearing20 Deep Groove Ball Bearing Hch Ball Bearings Price Self-Aligning Ball Bearing UC Bearing Bearing Housing Romania Bearing Price     double row ball bearingChina 1688 NTN Bearing20 Deep Groove Ball Bearing Hch Ball Bearings Price Self-Aligning Ball Bearing UC Bearing Bearing Housing Romania Bearing Price     double row ball bearing
editor by czh 2022-11-24