Product Description
Parameter:
| Product Name | Angular contact ball bearing |
| Brand Name | KSA |
| Material | Gcr15 |
| Precision Grade | P0,P6,P5 |
| Certification | ISO 9001 |
| Packeage | Box /Carton/Wooden Box/Plastic Tube or Per buyers requirement |
| MOQ | Depending On Moedl |
| Serice | OEM |
| Sample | Available |
| Payment | TT or L/C or Western Union |
| Port | HangZhou ZheJiang HangZhou |
In order to meet the performance requirements of bearings, Chinese bearing steel has more excellent performance:
1. Higher contact fatigue strength
2. after heat treatment with higher hardness to meet the bearing performance requirements
3. higher wear resistance, lower friction coefficient
4. Higher elastic limit
5. better impact toughness and fracture toughness
6. better dimensional stability
7. better rust resistance
ANGULAR CONTACT BALL BEARING SERIES
where C is 15 degrees contact Angle, AC is 25 degrees contact Angle, B is 40 degrees contact Angle, the bearing limit speed is higher, can bear both radial load and axial load, can also bear pure axial load, the axial load capacity is determined by the contact Angle, and increases with the increase of the contact Angle. It can only withstand the axial load in 1 direction, when bearing the radial load, it will cause additional axial force, and must apply the corresponding reverse load, so the bearing is generally used in pairs.
SINGLE ROW ANGULAR CONTACT BALL BEARING
Single-row angular contact ball bearings can only bear axial load in 1 direction, and additional axial force will be caused when bearing radial load. And only limit the axial displacement of the shaft or housing in 1 direction. Angular contact ball bearings have a contact Angle of 40 degrees, so they can withstand large axial loads. Angular contact ball bearings are of a non-separation design, and the shoulders on both sides of the inner and outer rings are not high or low. In order to increase the load capacity of the bearing, the shoulder on 1 side is machined lower, so that the bearing can fit more steel balls.
DOUBLE ROW ANGULAR CONTACT BALL BEARING
Double row angular contact ball bearings can bear large radial loads, mainly radial and axial combined loads and torque loads, limiting the axial displacement of both sides of the shaft. The inclinability between the inner and outer rings of the double-row angular contact ball bearing is limited in the parts mainly used to limit the two-way axial displacement of the shaft and the housing. The allowable inclination Angle depends on the internal clearance of the bearing, the bearing size, the internal design and the force and moment acting on the bearing, and the allowable inclination Angle should ensure that no excessive additional stress is generated in the bearing. If the inclination Angle between the inner and outer rings of the bearing exists, the life of the bearing will be affected, and the running accuracy of the bearing will be reduced, and the running noise will be increased. Double row angular contact ball bearings generally use nylon cages or brass solid cages. When installing double row angular contact ball bearings, attention should be paid to the fact that although the bearings can withstand two-way axial loads, if there is a ball loading gap on 1 side, care should be taken not to let the main axial load pass through the groove side with a gap. When the bearing is used, attention should be paid to making the raceway without the ball filling gap bear the main load.
OUR ADVANTAGE:
1.Our products: with high quality, long life, high speed, low noise, low friction quality products
2. We have: sufficient storage space, sufficient inventory, high production efficiency, we provide customers with the most favorable prices
3. Chinese bearing: in China’s production line, products are exported to all over the world, product specifications are complete, certificates are complete, professional R & D team
4. After-sales service and technical guidance: The company provides after-sales service and technical guidance according to customer requirements and needs
Company Profile
ZheJiang Kangshi Precision Bearing Manufacturing Co., Ltd., located in Yandian Town Industrial Park, HangZhou City, ZheJiang Province, mainly produces zero deep groove ball bearings, 2 types of cylindrical roller bearings, 3 types of aligning roller bearings, 6 types of angular contact ball bearings, 7 types of tapered roller bearings, 8 types of thrust ball bearings, thrust bearings, 9 types of thrust aligning roller bearings, outer spherical bearings, auto parts, Motorcycle parts and other rolling bearings. Our factory has strong professional technology, good production equipment and perfect testing means, can fully meet the various types, specifications, high precision and special use requirements of bearing products customized processing, the production process of the product according to the strict national standards of enterprise internal control standards for the implementation of full inspection and multi-project comprehensive inspection of factory products, Can ensure the quality of each set of factory bearing products to meet national standards. Kangshi bearing has always implemented national standards, market prices, and implemented the “three guarantees” principle for customers: To ensure high-quality quality, preferential prices, superior after-sales service! Welcome customers at home and abroad to consult and negotiate business, the company will continue to win the trust of more customers with good product quality and reputation.
OUR FACTORY QUALITY ASSURANCE
LOW NOISE, HIGH SPEED AND NOT EASY TO BURN EXCELLENT AFTER-SALES SERVICE
PACKAGING AND TRANSPORTATION
1.Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets).
Accept design package when OEM.
MAIN USE
Single row angular contact ball bearings: machine spindle, high frequency motor, gas turbine, centrifugal separator, small car front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding machine, low noise type cooling tower, mechanical and electrical equipment, painting equipment, machine slot plate, arc welding machine, etc
Double row angular contact ball bearings: oil pump, Roots blower, air compressor, various transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloidal reducer, food packaging machinery, electric welding machine, electric soldering iron, square box, gravity spray gun, wire stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery, etc
FAQ
Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail for more information.
Q: How about the package?
A: Industrial packing in general condition (Plastic drums/boxes/industrial packaging + cartons + pallets). Accept design package when OEM.
Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.
Q:What are the advantages of your company’s services compared to other companies?
A: Factory direct supply, price advantage, 24 hours online timely reply, Provide customers with customs clearance
and quality of various documents, 100% after-sales service
Q:OEM POLICY
A:We can printing your brand (logo,artwork)on the bearings or laser engraving your brand on the bearings.
We can custom your packaging according to your design All copyright own by clients and we promised don’t
disclose any info.
Q:How to contact us quickly?
A: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
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?
Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:
- Reduced Friction:
One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.
- Efficient Load Support:
Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.
- Smooth Rotation:
Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.
- High-Speed Capability:
Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.
- Reduced Wear and Maintenance:
The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.
- Energy Efficiency:
By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.
- Versatility:
Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.
- Reliability and Longevity:
Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.
- Quiet Operation:
Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.
In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.
editor by CX 2024-05-17
China supplier Kud01506-030wj15-900-000 Double Row Ball Slewing Bearing with Internal Gear bearing driver kit
Product Description
Slewing Ring Bearing Production Description
Large Diameter Slewing Ring Bearing KUD01497-030WO15-900-000 for small Crane, construction machinery
Double row ball slewing bearing with external gear
KUD01440-030ZA15-900-000,KUD01734-030ZA15-900-000,KUD57131-030ZA15-900-000,
KUD57135-030ZA15-900-000,KUD01440-030ZA15-900-000,KUD57120-030ZA15-900-000,
KUD02620-030ZA15-900-000,KUD57140-040ZA15-900-000,KUD02619-040ZA15-900-000,
KUD57195-040ZA15-900-000,KUD57115-040ZA15-900-000,KUD5710-040ZA15-900-000,
KUD57187-050ZA15-900-000,KUD 0571 7-050ZA15-900-000,KUD03347-050ZA15-900-000,
KUD 0571 7-050ZA15-900-000,KUD5717-050ZA15-900-000,
KUD01497-030WA15-900-000,KUD01597-030WA15-900-000,KUD01697-030WA15-900-000,
KUD01797-030WA15-900-000,KUD01897-030WA15-900-000, KUD01647-035WA15-900-000,
KUD01747-035WA15-900-000,KUD01847-035WA15-900-000,KUD01947-035WA15-900-000,
KUD57147-035WA15-900-000,KUD01797-040WA15-900-000,KUD01897-040WA15-900-000,
KUD01997-040WA15-900-000,KUD57197-040WA15-900-000,KUD57197-040WA15-900-000,
KUD01947-045WA15-900-000,KUD57147-045WA15-900-000,KUD57147-045WA15-900-000,
KUD57147-045WA15-900-000,KUD57147-045WA15-900-000,KUD57197-050WA15-900-000,
KUD57197-050WA15-900-000,KUD57197-050WA15-900-000,KUD57197-050WA15-900-000,
KUD57197-050WA15-900-000,
Double row ball slewing bearing with internal gear
KUD01381-030ZJ15-900-000,KUD01630-030ZJ15-900-000,KUD01800-030ZJ15-900-000,
KUD01995-030ZJ15-900-000,KUD57130-030ZJ15-900-000,KUD57138-030ZJ15-900-000,
KUD01960-035ZJ15-900-000,KUD57100-035ZJ15-900-000,KUD02690-035ZJ15-900-000,
KUD57199-040ZJ15-900-000,KUD02622-040ZJ15-900-000,KUD57150-040ZJ15-900-000,
KUD03300-040ZJ15-900-000,KUD57159-050ZJ15-900-000,KUD5710-050ZJ15-900-000,
KUD5719-050ZJ15-900-000,KUD03839-050ZJ15-900-000,
KUD01506-030WJ15-900-000,KUD01606-030WJ15-900-000,KUD01706-030WJ15-900-000,
KUD01806-030WJ15-900-000,KUD01906-030WJ15-900-000,KUD01656-035WJ15-900-000,
KUD01756-035WJ15-900-000,KUD01856-035WJ15-900-000,KUD01956-035WJ15-900-000,
KUD57156-035WJ15-900-000,KUD01806-040WJ15-900-000,KUD01906-040WJ15-900-000,
KUD57106-040WJ15-900-000,KUD57106-040WJ15-900-000,KUD57106-040WJ15-900-000,
KUD01956-045WJ15-900-000,KUD57156-045WJ15-900-000,KUD57156-045WJ15-900-000,
KUD57156-045WJ15-900-000,KUD57156-045WJ15-900-000,KUD57106-050WJ15-900-000,
KUD57106-050WJ15-900-000,KUD57106-050WJ15-900-000,KUD57106-050WJ15-900-000,
KUD57106-050WJ15-900-000,
Double row ball slewing bearing with no gear
KUD01497-030WO15-900-000,KUD01597-030WO15-900-000,KUD01697-030WO15-900-000,
KUD01797-030WO15-900-000,KUD01897-030WO15-900-000,KUD01647-035WO15-900-000,
KUD01747-035WO15-900-000,KUD01847-035WO15-900-000,KUD01947-035WO15-900-000,
KUD57147-035WO15-900-000,KUD01797-040WO15-900-000,KUD01897-040WO15-900-000,
KUD01997-040WO15-900-000,KUD57197-040WO15-900-000,KUD57197-040WO15-900-000,
KUD01947-045WO15-900-000,KUD57147-045WO15-900-000,KUD57147-045WO15-900-000,
KUD57147-045WO15-900-000,KUD57147-045WO15-900-000,KUD57197-050WO15-900-000,
KUD57197-050WO15-900-000,KUD57197-050WO15-900-000,KUD57197-050WO15-900-000,
KUD57197-050WO15-900-000,
Why choose CZPT slewing bearings
A pioneer in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
SO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing
LYHY Slewing Bearing Types
CZPT slewing bearings can be divided into the following types as per their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.
Detailed description of these types slewing bearings
Single row 4 point contact ball slewing bearings
This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.
About CZPT bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building.
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia
Production Process of CZPT slewing bearings
Quality Control Process of CZPT slewing bearings
LYHY Slewing Bearing Packing
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers demand to be packed;
Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery
Transportation:
All CZPT slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.
INSTALLATION OF CZPT SLEWING BEARINGS
Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2. Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3. The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.
Installation:
1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2. The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3. When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4. Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5. After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.
FAQ:
Q: Are LYHY BEARINGS trading company or manufacturer?
A: CZPT BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings
Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV
Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.
Q: How about the package for CZPT bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.
Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.
Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.
Q: Is sample available?
A: Yes, sample order is acceptable.
Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.
/* 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(/(.*?):(.*)$/))&&1
| Standard or Nonstandard: | Standard |
|---|---|
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Double-Row |
| Roller Type: | Straight Raceway |
| Material: | 42CrMo |
| Type: | Internal Gear |
| Samples: |
US$ 3500/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-04-02
China 013.30.1000 1122mm Single Row 4 Points Contact Ball Slewing Bearing with Internal Gear supplier
Item Description
HBB Substantial Performance One Row 4 Point Contact Ball Bearings
Generally, Slewing Bearings are big-size rolling bearings that can accommodate axial,radial and second loads acting possibly singly or in mix and in any path. They can carry out both slewing (oscillating) actions as properly as rotational movements.
Fundamentally, a slewing bearing consists of an interior ring (a), an outer ring (b) and rolling factors − balls (c) or cylindrical rollers − that are separated by polyamide spacers (d). The rings, 1 of which typically incorporates a gear (e), are supplied with holes (f) to accommodate attachment bolts. The holes may be threaded. Usually, only the raceways in the rings (h) are hardened and precision-floor. Integral seals (g) created of acrylonitrile-butadiene rubber (NBR) hold the lubricant in, and contaminants out of the bearing. Slewing bearings are re-lubricated Slewing bearings by way of grease fittings (i) to decrease servicing and working fees.
When compared to conventional pivot arrangements, slewing bearing preparations provide many design and functionality advantages. The compactness and large internal diameter simplify the layout of the bearing arrangement and its connected factors.
The lower sectional height of these bearings implies that the pinion lever can be held brief. In most instances only flat surfaces on the related factors are needed.
Slewing bearings had been originally created to be mounted only on horizontal assist structures, but can now be used efficiently in vertical bearing arrangements. The forces and load distribution in slewing bearings, when subjected to axial, radial and second masses.
Specialized Speficiations:
Slewing bearings perform very properly in a range of applications these kinds of as:
accessibility platforms bucket wheel excavators conveyor booms cranes of all kinds, tiny, medium and big excavators inHangZhou tables ladle turrets offshore programs robots railway bogies rotary platforms stackers photo voltaic mirrors tunnel dull devices wind turbines radar antenna
Genuine Goods Present:
Manufacturing facility Present:
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Roller Type: | Deep Groove Raceway |
| Material: | Bearing Steel |
###
| Samples: |
US$ 5000/Piece
1 Piece(Min.Order) |
|---|
| To Be Negotiated | 1 Piece (Min. Order) |
###
| Standard or Nonstandard: | Standard |
|---|---|
| Feature: | High Speed, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant |
| Sealing Gland: | Sealed On Both Sides |
| Rolling-Element Number: | Single-Row |
| Roller Type: | Deep Groove Raceway |
| Material: | Bearing Steel |
###
| Samples: |
US$ 5000/Piece
1 Piece(Min.Order) |
|---|
The benefits of rubber bushings and how they work
If you have experienced increased vibration while driving, you know the importance of replacing the control arm bushings. The resulting metal-to-metal contact can cause annoying driving problems and be a threat to your safety. Over time, the control arm bushings begin to wear out, a process that can be exacerbated by harsh driving conditions and environmental factors. Additionally, larger tires that are more susceptible to bushing wear are also prone to increased vibration transfer, especially for vehicles with shorter sidewalls. Additionally, these plus-sized tires, which are designed to fit on larger rims, have a higher risk of transmitting vibrations through the bushings.
rubber
Rubber bushings are rubber tubes that are glued into the inner or outer curve of a cylindrical metal part. The rubber is made of polyurethane and is usually prestressed to avoid breaking during installation. In some cases, the material is also elastic, so it can slide. These properties make rubber bushings an integral part of a vehicle’s suspension system. Here are some benefits of rubber bushings and how they work.
Rubber bushings are used to isolate and reduce vibration caused by the movement of the two pieces of equipment. They are usually placed between two pieces of machinery, such as gears or balls. By preventing vibrations, rubber bushings improve machine function and service life. In addition to improving the overall performance of the machine, the rubber bushing reduces noise and protects the operator from injury. The rubber on the shock absorber also acts as a vibration isolator. It suppresses the energy produced when the two parts of the machine interact. They allow a small amount of movement but minimize vibration.
Both rubber and polyurethane bushings have their advantages and disadvantages. The former is the cheapest, but not as durable as polyurethane. Compared to polyurethane, rubber bushings are a better choice for daily commutes, especially long commutes. Polyurethane bushings provide better steering control and road feel than rubber, but can be more expensive than the former. So how do you choose between polyurethane and rubber bushings?
Polyurethane
Unlike rubber, polyurethane bushings resist high stress environments and normal cycling. This makes them an excellent choice for performance builds. However, there are some disadvantages to using polyurethane bushings. Read on to learn about the advantages and disadvantages of polyurethane bushings in suspension applications. Also, see if a polyurethane bushing is suitable for your vehicle.
Choosing the right bushing for your needs depends entirely on your budget and application. Softer bushings have the lowest performance but may have the lowest NVH. Polyurethane bushings, on the other hand, may be more articulated, but less articulated. Depending on your needs, you can choose a combination of features and tradeoffs. While these are good options for everyday use, for racing and hardcore handling applications, a softer option may be a better choice.
The initial hardness of the polyurethane bushing is higher than that of the rubber bushing. The difference between the two materials is determined by durometer testing. Polyurethane has a higher hardness than rubber because it does not react to load in the same way. The harder the rubber, the less elastic, and the higher the tear. This makes it an excellent choice for bushings in a variety of applications.
hard
Solid bushings replace the standard bushings on the subframe, eliminating axle clutter. New bushings raise the subframe by 0.59″ (15mm), correcting the roll center. Plus, they don’t create cabin noise. So you can install these bushings even when your vehicle is lowered. But you should consider some facts when installing solid casing. Read on to learn more about these casings.
The stiffest bushing material currently available is solid aluminum. This material hardly absorbs vibrations, but it is not recommended for everyday use. Its stiffness makes it ideal for rail vehicles. The aluminum housing is prone to wear and tear and may not be suitable for street use. However, the solid aluminum bushings provide the stiffest feel and chassis feedback. However, if you want the best performance in everyday driving, you should choose a polyurethane bushing. They have lower friction properties and eliminate binding.
Sturdy subframe bushings will provide more driver feedback. Additionally, it will strengthen the rear body, eliminating any movement caused by the subframe. You can see this structural integration on the M3 and M4 models. The benefits of solid subframe bushings are numerous. They will improve rear-end handling without compromising drivability. So if you plan to install a solid subframe bushing, be sure to choose a solid bushing.
Capacitor classification
In the circuit, there is a high electric field on both sides of the capacitor grading bushing. This is due to their capacitor cores. The dielectric properties of the primary insulating layer have a great influence on the electric field distribution within the bushing. This article discusses the advantages and disadvantages of capacitor grade bushings. This article discusses the advantages and disadvantages of grading bushings for capacitors in DC power systems.
One disadvantage of capacitor grading bushings is that they are not suitable for higher voltages. Capacitor grading bushings are prone to serious heating problems. This may reduce their long-term reliability. The main disadvantage of capacitor grading bushings is that they increase the radial thermal gradient of the main insulation. This can lead to dielectric breakdown.
Capacitor grading bushing adopts cylindrical structure, which can suppress the influence of temperature on electric field distribution. This reduces the coefficient of inhomogeneity of the electric field in the confinement layer. Capacitor grading bushings have a uniform electric field distribution across their primary insulation. Capacitive graded bushings are also more reliable than nonlinear bushings.
Electric field variation is the most important cause of failure. The electrode extension layer can be patterned to control the electric field to avoid flashover or partial discharge of the primary insulating material. This design can be incorporated into capacitor grading bushings to provide better electric fields in high voltage applications. This type of bushing is suitable for a wide range of applications. This article discusses the advantages and disadvantages of capacitor grade bushings.
Metal
When choosing between plastic and metal sleeves, it is important to choose a product that can handle the required load. Plastic bushings tend to deteriorate and often crack under heavy loads, reducing their mechanical strength and service life. Metal bushings, on the other hand, conduct heat more efficiently, preventing any damage to the mating surfaces. Plastic bushings can also be made with lubricating fillers added to a resin matrix.
Plastic bushings have many advantages over metal bushings, including being cheap and versatile. Plastic bushings are now used in many industries because they are inexpensive and quick to install. These plastic products are also self-lubricating and require less maintenance than metals. They are often used in applications where maintenance costs are high or parts are difficult to access. Also, if they are prone to wear and tear, they are easy to replace.
Metal bushings can be made of PTFE, plastic or bronze and are self-lubricating. Graphite plugs are also available for some metal bushings. Their high load capacity and excellent fatigue resistance make them a popular choice for automotive applications. The bi-metallic sintered bronze layer in these products provides excellent load-carrying capacity and good friction properties. The steel backing also helps reduce processing time and avoids the need for additional pre-lubrication.
plastic
A plastic bushing is a small ball of material that is screwed onto a nut or locknut on a mechanical assembly. Plastic bushings are very durable and have a low coefficient of friction, making them a better choice for durable parts. Since they do not require lubrication, they last longer and cost less than their metal counterparts. Unlike metal bushings, plastic bushings also don’t scratch or attract dirt.
One type of acetal sleeve is called SF-2. It is made of metal alloy, cold rolled steel and bronze spherical powder. A small amount of surface plastic penetrated into the voids of the copper spherical powder. Plastic bushings are available in a variety of colors, depending on the intended application. SF-2 is available in black or grey RAL 7040. Its d1 diameter is sufficient for most applications.
Another acetal sleeve is UHMW-PE. This material is used in the production of bearings and in low load applications. This material can withstand pressures from 500 to 800 PSI and is widely available. It is also self-lubricating and readily available. Due to its high resistance to temperature and chemical agents, it is an excellent choice for low-load industrial applications. If you’re in the market for an alternative to nylon, consider acetal.
Positional tolerances in many automotive components can cause misalignment. Misaligned plastic bushings can negatively impact the driver’s experience. For example, the cross tubes used to mount the seat to the frame are made by a stamping process. The result is a misalignment that can increase torque. Also, the plastic bushing is pushed to one side of the shaft. The increased pressure results in higher friction, which ultimately results in a poor driving experience.
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editor by czh 2023-01-20