Product Description
Angular Contact Ball Bearing
Basic Info.
| Model NO. | GE 55 SX | Separated | Separated |
| MOQ | 1PCS | Quality | Guaranteed |
| Mainly Market | America Europe Asia Africa | Serive | OEM |
| Stock | Rich Stocks | Feature | High Precision, Small Torque, Low Noise |
| Transport Package | Industrial Packing or as Per Requirement | Specification | GE 55 SX |
| Trademark | FOS Bearing or OEM | Origin | YANDIAN, ZheJiang |
| HS Code | 8482200000 | Production Capacity | 7000PCS/Month |
Angular Contact Ball Bearing
Knuckle-bearing is a spherical plain bearing, its sliding contact surface is an inner sphere and an outer sphere, which can rotate and swing at any Angle when moving, it is made of surface phosphating, blasting, insert pad, spraying and other special process processing methods. Joint bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and so on.
Product Serie
Angular Contact Ball Bearing
Production Process
Production Process
Inspection
Our Advantage
Package and shipment
Company Profile
HangZhou Siruibo Bearing Technology Co., Ltd. is a company mainly engaged in manufacturing and selling outer spherical bearings. The registered capital is Five million.
Since its establishment 20 years ago, the company is committed to Mounted Bearing Unit (maintenance-free bearings, engraving machine bearings, holding machine shaft Bearing, no-tillage machine bearing, fan bearing, high temperature bearing, zinc alloy bearing, food grade bearing unit) research and development. With the most complete varieties and best advanced manufacturing technology in production of Mounted Bearing Unit, to be a reliable enterprises, we welcome your cooperation. Currently, our company produce 10 series of more than 260 varieties of outer spherical bearings and 13 different structural categories of outer spherical bearing special seats, all adopted International standard design and manufacturing. Registered trademark “FOS” .
Through the efforts and unremitting pursuit of all employees of the company, all products accepted by international standards. Over the years of Expansion and technical transformation, we developed into a Mounted Bearing Unit with large scale of professional manufacturers, for the bearing industry in China, has made a contribution to the development of Bearing.
HangZhou Siruibo Bearing Technology Co., Ltd. has a production capacity of 1 million sets/year, with an annual output value of 30 million yuan. We produce 30 varieties monthly , with 45-60 days lead time.
The company has a perfect material and product quality inspection equipment, according to the strict scientific Quality assurance system, to prove satisfactory to our customers. Our products widely used in agricultural Industry machinery, textile machinery and light industry, chemical industry, metallurgy, printing, food, transportation, coal, packaging and other industries and the introduction of machinery .Our products have exported to Europe, America and many countries and regions in South east Asia.
Exhibitions
About us:
We are 1 manufactuer of bearing for more than 20 years.
Give us a chance, we will cooperate with our passion.
Our professional, reliable, experienced products and service can meet your request.
Why choose us?
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 mix different standard bearings.
2. MOQ: 3000 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.
SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email, thanks!
We have all kinds of bearings, just tell me your item number and quantity, best price will be offered to you soon
The material of the bearings, precision rating, seals type, OEM service, etc, all of them we can make according to your requirement.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-03-30
China wholesaler CZPT CZPT CZPT Angular Contact Ball Bearings 7022A 7024A 7026A Angle-Contact Ball Bearings ball bearing
Product Description
Product Description
Nachi CZPT CZPT Angular Contact Ball Bearings 7571A 7571A 7026A angle-contact ball bearings
There are raceways on the inner and outer rings of angular contact ball bearings, and the inner and outer rings can make relative displacement along the axial direction of the bearing. This kind of bearing is especially suitable for bearing compound load, that is, radial and axial load acting at the same time. The axial load bearing capacity of angular contact ball bearing varies with the contact angle α Increases with the increase of. The contact angle is the angle between the connecting line of the contact point between the ball and the raceway in the radial plane and the vertical line of the bearing axis.
The models of angular contact ball bearings are divided into: α= 15 ° angular contact ball bearing (70000C type); α= 25 ° angular contact ball bearing (70000ac type); α= 40 ° angular contact ball bearing (70000b type); Back to back double angular contact ball bearing [70000C (AC, b) / DB type]; Face to face double angular contact ball bearings [70000C (AC, b) / DF type]; Tandem double angular contact ball bearing [70000C (AC, b) / dt type]; Double row angular contact ball bearing with ball notch (00000 type); Double row angular contact ball bearing without ball notch (00000a type); Double row angular contact ball bearing (00000a-z type) without ball gap and with dust cover on 1 side; Double row angular contact ball bearing without ball notch and with dust cover on both sides (00000a-2z type); Double row angular contact ball bearing (00000 ARS type) without ball loading notch and with sealing ring on 1 side; Double row angular contact ball bearing without ball notch and with sealing rings on both sides (00000a-2rs type); There are 13 kinds of 4 point angular contact ball bearings (qj0000 type)
| Product name | Thrust ball bearing |
| Material | Bearing Steel |
| Standard | DIN GB ISO JIS |
| Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
| Service | OEM service provided |
| Delivery time | 3-10 days depends on quantity needed |
Detailed Photos
Product Parameters
| Angular contact ball bearings | 706C , B706C series | 706C 707C 708C 709C B706C B707C B708C B709C | ||||||||||||
| 724C series | 724C 725C 726C 727C 728C 729C | |||||||||||||
| 7000C series | ||||||||||||||
| 7200C series | 7248 | |||||||||||||
| 7303C series | 7340 | |||||||||||||
| 7406 series | ||||||||||||||
| 71900 series | 71900 71901 71902 71903 71904 71905 71906 71907 71908 71909 71910 71911 71912 71913 71914 71915 71916 71917 71918 71919 71920 71922 71924 71926 71928 71930 71932 71934 71936 71938 71940 | |||||||||||||
| 3200 series | ||||||||||||||
| 3302 series | ||||||||||||||
7200A 7201A 7202A 7203A 7204A 7205A 7206A 7207A 7208A 7209A 7210A 7211A 7212A 7213A 7214A 7215A 7216A 7217A 7218A 7219A 7220A 7221A 7222A 7224A 7226A 7228A 7230A 7232A 7234A 7236A 7238A 7240A 7244A 7248A 7252A 7256A 7260A
7200AC 7201AC 7202AC 7203AC 7204AC 7205AC 7206AC 7207AC 7208AC 7209AC 7210AC 7211AC 7212AC 7213AC 7214AC 7215AC 7216AC 7217AC 7218AC 7219AC 7220AC 7221AC 7222AC 7224AC 7226AC 7228AC 7230AC 7232AC 7234AC 7236AC 7238AC 7240AC7244AC 7248AC 7252AC 7256AC 7260AC
7206ACM 7207ACM 7208ACM 7209ACM 7210ACM 7211ACM 7212ACM 7213ACM 7214ACM 7215ACM 7216ACM 7217ACM 7218ACM 7219ACM 7220ACM 7221ACM 7222ACM 7224ACM 7226ACM 7228ACM 7230ACM 7232ACM 7234ACM 7236ACM 7238ACM 7240ACM 7244ACM 7248ACM 7252ACM 7256ACM 7260ACM
7200B 7201B 7202B 7203B 7204B 7205B 7206B 7207B 7208B 7209B 7210B 7211B 7212B 7213B 7214B 7215B 7216B 7217B 7218B 7219B 7220B 7221B 7222B 7224B 7226B 7228B 7230B 7232B 7234B 7236B 7238B 7240B 7244B 7248B 7252B 7256B 7260B
7206BM 7207BM 7208BM 7209BM 7210BM 7211BM 7212BM 7213BM 7214BM 7215BM 7216BM 7217BM 7218BM 7219BM 7220BM 7221BM 7222BM 7224BM 7226BM 7228BM 7230BM 7232BM 7234BM 7236BM 7238BM 7240BM 7244BM 7248BM 7252BM 7256BM 7260BM 7302A 7303A 7304A 7305A 7306A 7307A 7308A 7309A 7310A 7311A 7312A 7313A 7314A 7315A 7316A 7317A 7318A 7319A 7320A 7321A 7322A 7324A 7326A 7328A 7330A 7332A 7334A 7336A 7338A 7340A
7305ACM 7306ACM 7307ACM 7308ACM 7309ACM 7310ACM 7311ACM 7312ACM 7313ACM 7314ACM 7315ACM 7316ACM 7317ACM 7318ACM 7319ACM 7320ACM 7321ACM 7322ACM 7324ACM 7326ACM 328ACM 7330ACM 7332ACM 7334ACM 7336ACM 7338ACM 7340ACM 7219CTA 7220CTA
7302B 7303B 7304B 7305B 7306B 7307B 7308B 7309B 7310B 7311B 7312B 7313B 7314B 7315B 7316B 7317B 7318B 7319B 7320B 7321B 7322B 7324B 7326B 7328B 7330B 7332B 7334B 7336B 7338B 7340B
7302BM 7303BM 7304BM 7305BM 7306BM 7307BM 7308BM 7309BM 7310BM 7311BM 7312BM 7313BM 7314BM 7315BM 7316BM 7317BM 7318BM 7319BM 7320BM 7321BM 7322BM 7324BM 7326BM 7328BM 7330BM 7332BM 7334BM 7336BM 7338BM 7340BM
7000A 7001A 7002A 7003A 7004A 7005A 7006A 7007A 7008A 7009A 7571A 7011A 7012A 7013A 7014A 7015A 7016A 7017A 7018A 7019A 7571A 7571A 7571A 7026A 7571A 7030A 7032A 7034A 7036A 7038A 7040A 7044A 7048A 7052A 7056A 7060A
7000AC 7001AC 7002AC 7003AC 7004AC 7005AC 7006AC 7007AC 7008AC 7009AC 7571AC 7011AC 7012AC 7013AC 7014AC 7015AC 7016AC 7017AC 7018AC 7019AC 7571AC 7571AC 7571AC 7026AC 7571AC 7030AC 7032AC 7034AC 7036AC 7038AC 7040AC 7044AC 7048AC 7052AC 7056AC 7060AC
7302AC 7303AC 7304AC 7305AC 7306AC 7307AC 7308AC 7309AC 7310AC 7311AC 7312AC 7313AC 7314AC 7315AC 7316AC 7317AC 7318AC 7319AC 7320AC 7321AC 7322AC 7324AC 7326AC 7328AC 7330AC 7332AC 7334AC 7336AC 7338AC 7340AC
7005ACM 7006ACM 7007ACM 7008ACM 7009ACM 7571ACM 7011ACM 7012ACM 7013ACM 7014ACM 7015ACM 7016ACM 7017ACM 7018ACM 7019ACM 7571ACM 7571ACM 7571ACM 7026ACM 7571ACM 7030ACM 7032ACM 7034ACM 7036ACM 7038ACM 7040ACM 7044ACM 7048ACM 7052ACM 7056ACM 7060ACM 7214CTA 7215CTA 7216CTA 7217CTA 7218CTA
71800AC 71801AC 71802AC 71803AC 71804AC 71805AC 71806AC 71807AC 71808AC 71809AC 71810AC 71811AC 71812AC 71813AC 71814AC 71815AC 71816AC 71817AC 71818AC 71819AC 71820AC 71822AC 71824AC 71826AC 7200CTA 7201CTA 7202CTA 7203CTA 7204CTA 7205CTA 7206CTA 7207CTA 7208CTA 7209CTA 7210CTA 7211CTA 7212CTA 7213CTA
71900AC 71901AC 71902AC 71903AC 71904AC 71905AC 71906AC 71907AC 71908AC 71909AC 71910AC 71911AC 71912AC 71913AC 71914AC 71915AC 71916AC 71917AC 71918AC 71919AC 71920AC 71922AC 71924AC 71926AC 71928M 71930M 71932M 71934M 71936M 71938M 71940M 71944M 71948M 71952M 71956M 71960M 71964M 71968M
QJ206M QJ207M QJ208M QJ209M QJ210M QJ211M QJ212M QJ213M QJ214M QJ215M QJ216M QJ217M QJ218M QJ219M QJ220M QJ222M QJ224M QJ226M QJ228M QJ230M QJ232M QJ234M QJ236M QJ238M QJ240M QJ244M QJ248M QJ252M QJ256M
QJ306M QJ307M QJ308M QJ309M QJ310M QJ311M QJ312M QJ313M QJ314M QJ315M QJ316M QJ317M QJ318M 708CTA 7002CTA 7003CTA 7004CTA 7005CTA 7006CTA 7007CTA 7008CTA 7009CTA 7571CTA 7011CTA 7012CTA 7013CTA 7014CTA 7015CTA 7016CTA 7017CTA 7018CTA 7019CTA
Packaging & Shipping
Company Profile
Our Advantages
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 7-15 days of payment being received.
3.Does your company have quality assurance?
Yes, for 1 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
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 15 Degree 30 Degree 40 Degree |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-03-30
China Standard CZPT Hot Sale BS20m47-2rsz P4 dB 17tac 47b Angular Contact Ball Bearing with Hot selling
Product Description
Product Description
Bearing No. BS20M47-2RS Angular contact ball bearing
-Dimensions: 20*47*15mm
-100% Nylon cage for higher resistance and durability
-Supports 12000 rpm with grease,10000 rpm with oil
-Our high-quality bearing is made to reduce your replacement frequency and maintenance cost
-Single-row, pre-lubricated, normal accuracy.
-Single row angular contact ball bearings are designed to accommodate loads in 1 direction only.
-This type of bearing is typically adjusted against a second bearing.
-Their bearing rings have an upper and a lower shoulder and are non-separable.
-Chromium Steel (GCr15) made with heat treating, provides high and uniform hardness, good wear resistance.
-Suitable for use in commercial and industrial applications including pumps and compressors, gearboxes, and printing machines, -among others.
Specifications for this item
Bearing Type: BS20M47-2RS Angular contact ball bearing
Brand: HXB or OEM brand
Model: BS20M47-2RS
Type: 2RS
Inner Race/Outer Race Material: Chrome Steel (GCr15)
Cage Material: Nylon
Inner Diameter (d): 20mm
Outer Diameter (D): 47mm
Thickness (B): 15mm
Dynamic Load Rating (Cr): 19.3kN
Static Load Rating (Cor): 25kN
Accuracy Class: P0 (ABEC-1)
Application: electric motor, motorcycle, household appliance, electric tools
| Designation | Boundary dimensions | Load rating | Limiting speed | axial rigidity | Preload | Frictonal Torque | Weight | |||
| d | D | B | C | C0 | ngrease | m | ||||
| 765712TN | 15 | 35 | 11 | 11.6 | 12.5 | 17000 | 6.3 | 1.4 | 20 | 0.052 |
| 765713TN | 17 | 40 | 12 | 16.6 | 20 | 13000 | 8.5 | 1.7 | 30 | 0.075 |
| 765714TN | 20 | 47 | 14 | 19.3 | 25 | 12000 | 10.6 | 2.3 | 50 | 0.13 |
| 765714TN-2RS | 20 | 47 | 14 | 19.3 | 25 | 12000 | 10.6 | 2.3 | 50 | 0.15 |
| 760304TN | 20 | 52 | 15 | 24.5 | 32 | 11000 | 14.0 | 2.9 | 60 | 0.17 |
| 760304TN-2RS | 20 | 52 | 15 | 24.5 | 32 | 11000 | 14.0 | 2.9 | 60 | 0.19 |
| 765715TN | 25 | 52 | 15 | 22 | 30.5 | 11000 | 13.2 | 2.5 | 65 | 0.16 |
| 765715TN-2RS | 25 | 52 | 15 | 22 | 30.5 | 11000 | 13.2 | 2.5 | 65 | 0.18 |
| 760305TN | 25 | 62 | 17 | 28.5 | 41.5 | 9000 | 18.0 | 3.3 | 85 | 0.28 |
| 760305TN-2RS | 25 | 62 | 17 | 28.5 | 41.5 | 9000 | 18.0 | 3.3 | 85 | 0.31 |
| 765716TN | 30 | 62 | 16 | 26 | 39 | 9000 | 17.0 | 2.9 | 85 | 0.24 |
| 765716TN-2RS | 30 | 62 | 16 | 26 | 39 | 9000 | 17.0 | 2.9 | 85 | 0.24 |
| 760306TN | 30 | 72 | 19 | 34.5 | 55 | 8000 | 23.6 | 4.3 | 130 | 0.41 |
| 760306TN-2RS | 30 | 72 | 19 | 34.5 | 55 | 8000 | 23.6 | 4.3 | 130 | 0.44 |
| 765717TN | 35 | 72 | 17 | 30 | 50 | 8000 | 21.2 | 3.3 | 115 | 0.34 |
| 765717TN-2RS | 35 | 72 | 17 | 30 | 50 | 8000 | 21.2 | 3.3 | 115 | 0.37 |
| 760307TN | 35 | 80 | 21 | 36.5 | 61 | 7000 | 26.5 | 4.8 | 170 | 0.55 |
| 760307TN-2RS | 35 | 80 | 21 | 36.5 | 61 | 7000 | 26.5 | 4.8 | 170 | 0.59 |
| 765718TN | 40 | 80 | 18 | 37.5 | 64 | 7000 | 28 | 4.3 | 170 | 0.44 |
| 765718TN-2RS | 40 | 80 | 18 | 37.5 | 64 | 7000 | 28 | 4.3 | 170 | 0.47 |
Application
Company Profile
Established in 1995, as a leading ball bearing manufacturer in China, HXB offers more than 1,000 kinds of ball bearing to fulfill our customers’ needs. With excellent production team and technical team, we can supply high quality products consistently.
After more than 20 years of development, HXB’s main products involves deep groove ball bearings, angular contact ball bearings, high precision spindle bearings, etc. Our bearings are wildly used in electric motors, machinery tool spindle, CNC, NEVs and other fields.
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Rows Number: | Single |
| Load Direction: | Thrust Bearing |
| Material: | Bearing Steel |
| Samples: |
US$ 9/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-03-29
China Standard China Bearing Manufacturers Specializing in The Production of Linear Motion Bearings Linear Bearings Lmh12uu Lmh13uu Lmh16uu Extended Ball Linear Bearing bearing and race
Product Description
Linear bearing is a linear motion system used for linear stroke and cylindrical shaft.
Because the bearing ball and the bearing jacket are point contact, the steel ball rolls with small friction resistance, so the linear bearing has small friction and relatively stable characteristics, does not change with the bearing speed, and can obtain a stable linear movement with high sensitivity and high precision.
| Product Name | Linear 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 |
Product Description
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 certificate
Scope of application
Used in electronic equipment, printing machinery, tobacco machinery, medical machinery, textile machinery, food processing machinery, packaging machinery, robots, power tools, CNC machine tools, automobiles and digital three-dimensional coordinate measuring equipment and other precision equipment or special machinery industry.
durable Heat treatment technology Keep clean
With high-end technology manufacturing, After advanced quenching heat treatment, Even tiny dust that is invisible to the
each product has high hardness and high the bearing has enough hardness to ensure naked eye can have adverse effects,
quality of its own performance the load carrying capacity so keep your surroundings clean
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(/(.*?):(.*)$/))&&1
| Feature: | Low Temperature, Corrosion Resistant, High Temperature, High Speed |
|---|---|
| Function: | Super |
| Flange Shape: | Oval |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| 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. |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
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 Factors should be Considered when Selecting a Ball Bearing for a Particular Application?
Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:
- Load Type and Magnitude:
Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.
- Speed and Operating Conditions:
Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.
- Accuracy and Precision:
For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.
- Space Limitations:
If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.
- Thrust and Radial Loads:
Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.
- Alignment and Misalignment:
If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.
- Mounting and Installation:
Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.
- Lubrication and Maintenance:
Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.
- Environmental Conditions:
Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.
- Bearing Material:
Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.
- Bearing Arrangement:
Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.
By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.
editor by CX 2024-03-29
China Custom Deep Groove Ball Bearing Motorcycle Parts with Great quality
Product Description
Product Description
Deep groove ball bearings mainly bear radial load as well as take moderate axial load. With less coefficient of friction, high limiting speed, large size range and variations of structure, deep groove ball bearings are suitable for precision instruments, low noise motors, automobiles, motorcycles, air-conditioners, washers, cleaners and other common machineries as a widely used type of bearings in machinery industry.
| Related Bearings |
|
Part Number |
ID | OD | Bore | Size |
| 6000 | 10 | 26 | 8 | 10*26*8 |
| 6001 | 12 | 28 | 8 | 12*28*8 |
| 6002 | 15 | 32 | 9 | 15*32*9 |
| 6003 | 17 | 35 | 10 | 17*35*10 |
| 6004 | 20 | 42 | 12 | 20*42*12 |
| 6005 | 25 | 47 | 12 | 25*47*12 |
| 6200 | 10 | 30 | 9 | 10*30*9 |
| 6201 | 12 | 32 | 10 | 12*32*10 |
| 6202 | 15 | 35 | 11 | 15*35*11 |
| 6203 | 17 | 40 | 12 | 17*40*12 |
| 6204 | 20 | 47 | 14 | 20*47*14 |
| 6205 | 25 | 52 | 15 | 25*52*15 |
| 6300 | 10 | 35 | 11 | 10*35*11 |
| 6301 | 12 | 37 | 12 | 12*37*12 |
| 6302 | 15 | 42 | 13 | 15*42*13 |
| 6303 | 17 | 47 | 14 | 17*47*14 |
| 6304 | 20 | 52 | 15 | 20*52*15 |
| 6305 | 25 | 62 | 17 | 25*62*17 |
Company Profile
ZheZheJiang nmanli Technology Co., Ltd. is a professional supplier of a series of auto and motorcycle spare parts Located in China, ZheJiang Province.
Our products are enjoyed by both domestic and foreign clients, the high quality products and service have lead us won a set of clients throughout the world such as South America, Southeast Asia, Africa, Middle East and European countries. From the beginning to end, we uphold our enterprise spirit of “Quality first sincerity foremost”. We warmly welcome all foreign friends to be our business partners on the basis of mutual benefits, and wish to establish good relationship with each other in the near future.
Certifications
FAQ
1. How to get the best price from CZPT MOTOR?
The bulk order price can be negotiated.We will quote the lastest best price according to customer purchase list.
2. What is your terms of payment?
T/T 30% as deposit, and 70% balance against B/L copy. or by L/C.
3. What is your terms of delivery?
EXW, FOB, CFR, CIF.
4. What about the MOQ – minimum order quantity?
100 pcs – 1000 pcs, MOQ for different products are different, please check with us before order.
5. Do you accept OEM order?
Yes, we can customize products according to customers’ drawings or samples.
6. How about your delivery time?
Generally, it will take 15 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
7 How do you make our business long-term and good relationship?
We keep good quality and competitive price to ensure our customers benefit.
/* 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(/(.*?):(.*)$/))&&1
| Bore Size: | 5.992 – 6 mm |
|---|---|
| OEM: | Avaliable |
| Clearance: | C0 |
| Color: | Customized |
| Structure: | Deep Groove |
| Precision Rating: | P0/ABEC-1 |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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 Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-03-29
China best CZPT High Quality Steel Angular Contact Ball Bearings for Machine Tool Spindles 70ad Series carrier bearing
Product Description
KGG: Precision Angled Contact Ball Bearing~70AD Series
Advantages and features of CZPT bearings
∞ CZPT Ball Bearings consist of an outer ring, an inner ring, and a plurality of rollers and spacers. The bearing with high rotation accuracy capable of bearing loads in every direction. Because it has orthogonally arranged cylindrical rollers, it can bear loads in every direction. CZPT provides 2 kinds of bearings: Deep Groove Ball Bearing and Angular Contact Ball Bearings.
∞ ACBB, which is the abbreviation of angular contact ball bearings. With different contact angles, the higher axial load can be well taken care now. CZPT standard ball bearings are the perfect solution for high runout accuracy applications such as machine tool main spindles.
∞ Deep groove ball bearings are widely used in many industries for decades. A deep groove is formed on each inner and outer ring of the bearings enabling them to sustain radial and axial loads or even combinations of both. As the leading deep groove ball bearing factory, CZPT Bearings owns abundant experience in designing and producing this type of bearing.
Application:
1. Medical industry
2.Lithium battery industry
3.Solar photovoltaic industry
4. Semi conductor Industry
5. General industry machinery
6. Machine tool
7. Parking system
8. High-speed rail and aviation transportation equipment
9. 3C industry etc
Technical Drawing
Specification List
| Boundary Dimensions (mm) | Basic Load Ratings | Static Axial Load Capacity | Bearing Numbers Type | Load Center | Limiting Speeds nL (min1) | Reference Dimensions (mm) | Abutment and Dimensions (mm) | Space Capacity (cm3) | Weight (kg) | |||||||||||||||
| d | D | B | r | r1 | Cr | cr | (KN) | C” | (KN) | (Kgf) | a | Grease | Oil | d, | D, | d2 | 4 | Da | Db | % | 1as | Open (Approx) | Open (Approx) | |
| min | min | (KN) | (Kgf) | (Kgf) | min | max | max | max | max | |||||||||||||||
| 10 | 26 | 8 | 0.3 | 0.15 | 5.1 | 520 | 2.41 | 246 | 2.33 | 238 | 7000AD* | 8.2 | 55000 | 84700 | 15.4 | 20.6 | 22.7 | 12.5 | 23.5 | 24.8 | 0.3 | 0.15 | 0.9 | 0.019 |
| 12 | 28 | 8 | 0.3 | 0.15 | 5.2 | 530 | 2.53 | 258 | 3.1 | 318 | 7001 AD* | 8.8 | 49500 | 76100 | 18 | 22.9 | 25.2 | 14.5 | 25.5 | 26.8 | 0.3 | 0.15 | 1 | 0.571 |
| 15 | 32 | 9 | 0.3 | 0.15 | 5.95 | 605 | 3.2 | 330 | 3.75 | 385 | 7002AD* | 10 | 42100 | 64800 | 21.1 | 25.9 | 28.2 | 17.5 | 29.5 | 30.8 | 0.3 | 0.15 | 1.3 | 0.03 |
| 17 | 35 | 10 | 0.3 | 0.15 | 6.3 | 640 | 3.6 | 370 | 3.9 | 400 | 7003AD* | 11.1 | 38100 | 58600 | 23.4 | 29 | 30.7 | 19.5 | 32.5 | 33.8 | 0.3 | 0.15 | 1.8 | 0.037 |
| 20 | 42 | 12 | 0.6 | 0.3 | 10.5 | 1080 | 6.25 | 640 | 7.55 | 770 | 7004AD* | 12.2 | 31900 | 49200 | 27.5 | 34.5 | 37.3 | 24.5 | 37.5 | 39.5 | 0.6 | 0.3 | 2.9 | 0.067 |
| 25 | 47 | 12 | 0.6 | 0.3 | 11 | 1130 | 7.05 | 720 | 8.2 | 840 | 7005AD | 14.4 | 27500 | 42400 | 32.5 | 39.5 | 42.3 | 29.5 | 42.5 | 44.5 | 0.6 | 0.3 | 3.3 | 0.079 |
| 30 | 55 | 13 | 1 | 0.6 | 14.4 | 1470 | 9.8 | 1000 | 11.5 | 1180 | 7006AD | 15.9 | 23300 | 35800 | 38.6 | 46.4 | 49.5 | 35.5 | 49.5 | 50.5 | 1 | 0.6 | 4.8 | 0.11 |
| 35 | 62 | 14 | 1 | 0.6 | 18.2 | 1860 | 13 | 1330 | 14.1 | 1440 | 7007AD | 17.8 | 20500 | 31400 | 44.2 | 52.8 | 56.3 | 40.5 | 56.5 | 57.5 | 1 | 0.6 | 6.3 | 0.15 |
| 40 | 68 | 15 | 1 | 0.6 | 19.5 | 1990 | 15.1 | 1540 | 16.4 | 1680 | 7008AD* | 19.6 | 18300 | 28300 | 49.6 | 58.3 | 61.8 | 45.5 | 62.5 | 63.5 | 1 | 0.6 | 7.4 | 0.19 |
| 45 | 75 | 16 | 1 | 0.6 | 23 | 2350 | 18.2 | 1860 | 20.6 | 2100 | 7009AD* | 21.5 | 16500 | 25400 | 55.2 | 64.8 | 68.6 | 50.5 | 69.5 | 70.5 | 1 | 0.6 | 9.4 | 0.24 |
| 50 | 80 | 16 | 1 | 0.6 | 24.6 | 2510 | 20.7 | 2120 | 23.1 | 2360 | 7571AD | 23.2 | 15200 | 23500 | 60.2 | 69.8 | 73.6 | 55.5 | 74.5 | 75.5 | 1 | 0.6 | 11 | 0.26 |
| 55 | 90 | 18 | 1.1 | 0.6 | 32 | 3300 | 27.1 | 2770 | 30 | 3100 | 7011 AD | 25.9 | 13700 | 21100 | 66.8 | 78.1 | 82.7 | 62 | 83 | 85.5 | 1 | 0.6 | 16 | 0.38 |
| 60 | 95 | 18 | 1.1 | 0.6 | 33 | 3350 | 29.1 | 2970 | 31 | 3200 | 7012AD | 27.1 | 12800 | 19700 | 71.8 | 83.1 | 87.6 | 67 | 88 | 90.5 | 1 | 0.6 | 17 | 0.41 |
| 65 | 100 | 18 | 1.1 | 0.6 | 35 | 3550 | 32 | 3300 | 33 | 3400 | 7013AD | 28.2 | 12000 | 18500 | 76.8 | 881 | 92.6 | 72 | 93 | 95.5 | 1 | 0.6 | 18 | 0.44 |
| 70 | 110 | 20 | 1.1 | 0.6 | 44 | 4500 | 40.5 | 4150 | 42 | 4300 | 7014AD | 31 | 11000 | 17000 | 83.6 | 96.4 | 101.7 | 77 | 103 | 105.5 | 1 | 0.6 | 24 | 0.61 |
| 75 | 115 | 20 | 1.1 | 0.6 | 45 | 4600 | 43 | 4400 | 47 | 4800 | 7015 AD | 22.1 | 10500 | 16100 | 88.5 | 101.5 | 106.7 | 82 | 108 | 110.5 | 1 | 0.6 | 26 | 0.64 |
| 80 | 125 | 22 | 1.1 | 0.6 | 55.5 | 5650 | 52 | 5350 | 58.5 | 5950 | 7016AD | 34.9 | 9700 | 14900 | 95.1 | 109.9 | 115.8 | 87 | 118 | 120.5 | 1 | 0.6 | 34 | 0.86 |
| 85 | 130 | 22 | 1.1 | 0.6 | 56.5 | 5800 | 55.5 | 5650 | 61 | 6200 | 7017AD | 36.1 | 9200 | 14200 | 100.1 | 114.9 | 120.8 | 92 | 123 | 125.5 | 1 | 0.6 | 36 | 0.9 |
| 90 | 140 | 24 | 1.5 | 1.1 | 67.5 | 6900 | 65.5 | 6650 | 75 | 7650 | 7018AD | 38.8 | 8600 | 13300 | 106.8 | 123.2 | 129.8 | 98.5 | 131.5 | 134.5 | 1.5 | 1 | 47 | 1.17 |
| 95 | 145 | 24 | 1.5 | 1.1 | 69.5 | 7050 | 69 | 7050 | 77.5 | 7900 | 7019AD* | 40 | 8300 | 12700 | 111.7 | 128.2 | 134.8 | 103.5 | 136.5 | 139.5 | 1.5 | 1 | 49 | 1.22 |
| 100 | 150 | 24 | 1.5 | 1.1 | 71 | 7250 | 73 | 7450 | 82.5 | 8450 | 7571AD | 41.1 | 7900 | 12200 | 116.8 | 132.2 | 139.8 | 108.5 | 141.5 | 144.5 | 1.5 | 1 | 51 | 1.27 |
FACTORY DETAILED PROCESSING PHOTOS
HIGH QUALITY CONTROL SYSTEM
FAQ
1. Why choose CZPT China?
Over the past 17 years, CZPT has always insisted that “products and services” start from Japanese industry standards,taking ZheJiang standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of “exceeding customer expectations”, establish a “trusted” partnership.
2. What is your main products ?
We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand “KGG” stands for ” Know-how,” ” Great Quality,” and ” Good value” and our factory is located in the most advanced city in China: ZheJiang with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
3. How to Custom-made (OEM/ODM)?
If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
4. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price,please call us or tell us in your email so that we will regard your inquiry priority.
5. How can I get a sample to check the quality?
After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.
6. What’s your payment terms?
Our payment terms is 30% deposit,balance 70% before shipment. /* 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: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| 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.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-03-29
China factory China Manufacturer Deep Groove Ball Bearing High Speed High Quality Low Fiction 608 6200 6304 bearing engineering
Product Description
Product Description
Company Profile
ZheJiang CZPT Bearing Co., Ltd. is affiliated to ZheJiang Kaidi Bearing Group – a specialized manufacturer of kinds of bearings for about 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 Products
ZheJiang CZPT Bearing Co., Ltd. is a specialized manufacturer of ball bearings for about 20 years. Our main products include:
1, Miniature Bearings: like 608, 609, 625, 626, 693, 695, etc;
2, Deep Groove Ball Bearings: like 6000, 6200, 6300, 6800, 6900, 16000 Series;
3,Non-Standard Bearings: U grooved bearings, V grooved bearings, double grooved bearings, bearing rollers with or without plastic injection. 4,Pillow Block Bearing: UCP/ UCF/ UCFL;
5,Tapered Roller Bearings
6,Linear Motion Bearings
Processing Process
we have manufacture bearing more than 20 years, and can produce different style of bearings. Our factory starts production from raw materials. We have a 20-person R&D team and launch a new product every 5 days. We have more than 600 people to produce bearing team, we produce products, the price is the most competitive in China.
Packaging & Shipping
Our Activities
FAQ
|
1.Q:Do you know the Detail Size for the Bearing ? 2.Q: This Size of Bearing is common parts? 3.Q:Are you a factory or a Trade Company for Bearing ? 4.Q:How many the MOQ of the Bearing? 5.Q:Could you supply free sample of bearing for our test? 6.Q:Could you accept OEM and customize? 7.Q:Do you have stocks? |
Contact Us
Betty
ZheJiang CZPT Bearing Co., Ltd.
/* 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: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0.05/Set
1 Set(Min.Order) | Order Sample |
|---|
| 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. |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-03-29
China Standard High Precision 6300Z/ ZZ/ RS/ 2RS/ N/ NR/ OPEN Deep Groove Ball Bearing with Great quality
Product Description
Product Parameters
| Bearing No. | dxDxB (mm) | Weight(kg) | Designation | |||||||
| 6300 | 10 | 35 | 11 | 0.571 | 6300 Z | 630 ZZ | 6300 RS | 6300 2RS | 6300 N | 6300 NR |
Other Options
* Please kindly click the specific bearing no. as follows to get what you want.*
| 6300 Medium Weight Series | ||||||||||
| Bearing No. | dxDxB (mm) | Weight(kg) | Designation | |||||||
| 6300 | 10 | 35 | 11 | 0.571 | 6300 Z | 6300 ZZ | 6300 RS | 6300 2RS | 6300 N | 6300 NR |
| 6301 | 12 | 37 | 12 | 0.0600 | 6301 Z | 6301 ZZ | 6301 RS | 6301 2RS | 6301 N | 6301 NR |
| 6302 | 15 | 42 | 13 | 0.0820 | 6302 Z | 6302 ZZ | 6302 RS | 6302 2RS | 6302 N | 6302 NR |
| 6303 | 17 | 47 | 14 | 0.1150 | 6303 Z | 6303 ZZ | 6303 RS | 6303 2RS | 6303 N | 6303 NR |
| 6304 | 20 | 52 | 15 | 0.1440 | 6304 Z | 6304 ZZ | 6304 RS | 6304 2RS | 6304 N | 6304 NR |
| 6305 | 25 | 62 | 17 | 0.2193 | 6305 Z | 6305 ZZ | 6305 RS | 6305 2RS | 6305 N | 6305 NR |
| 6306 | 30 | 72 | 19 | 0.3498 | 6306 Z | 6306 ZZ | 6306 RS | 6306 2RS | 6306 N | 6306 NR |
| 6307 | 35 | 80 | 21 | 0.4542 | 6307 Z | 6307 ZZ | 6307 RS | 6307 2RS | 6307 N | 6307 NR |
| 6308 | 40 | 90 | 23 | 0.6394 | 6308 Z | 6308 ZZ | 6308 RS | 6308 2RS | 6308 N | 6308 NR |
| 6309 | 45 | 100 | 25 | 0.8363 | 6309 Z | 6309 ZZ | 6309 RS | 6309 2RS | 6309 N | 6309 NR |
| 6310 | 50 | 110 | 27 | 1.0822 | 6310 Z | 6310 ZZ | 6310 RS | 6310 2RS | 6310 N | 6310 NR |
| 6311 | 55 | 120 | 29 | 1.3500 | 6311 Z | 6311 ZZ | 6311 RS | 6311 2RS | 6311 N | 6311 NR |
| 6312 | 60 | 130 | 31 | 1.7000 | 6312 Z | 6312 ZZ | 6312 RS | 6312 2RS | 6312 N | 6312 NR |
| 6313 | 65 | 140 | 33 | 2.1000 | 6313 Z | 6313 ZZ | 6313 RS | 6313 2RS | 6313 N | 6313 NR |
| 6314 | 70 | 150 | 35 | 2.5000 | 6314 Z | 6314 ZZ | 6314 RS | 6314 2RS | 6314 N | 6314 NR |
| 6315 | 75 | 160 | 37 | 3.0000 | 6315 Z | 6315 ZZ | 6315 RS | 6315 2RS | 6315 N | 6315 NR |
| 6316 | 80 | 170 | 39 | 3.6600 | 6316 Z | 6316 ZZ | 6316 RS | 6316 2RS | 6316 N | 6316 NR |
| 6317 | 85 | 180 | 41 | 4.2800 | 6317 Z | 6317 ZZ | 6317 RS | 6317 2RS | 6317 N | 6317 NR |
| 6318 | 90 | 190 | 43 | 4.0000 | 6318 Z | 6318 ZZ | 6318 RS | 6318 2RS | 6318 N | 6318 NR |
| 6319 | 95 | 200 | 45 | 5.7600 | 6319 Z | 6319 ZZ | 6319 RS | 6319 2RS | 6319 N | 6319 NR |
| 6320 | 100 | 215 | 47 | 7.0000 | 6320 Z | 6320 ZZ | 6320 RS | 6320 2RS | 6320 N | 6320 NR |
| 6321 | 105 | 225 | 49 | 8.0500 | 6321 Z | 6321 ZZ | 6321 RS | 6321 2RS | 6321 N | 6321 NR |
| 6322 | 110 | 240 | 50 | 9.5400 | 6322 ZZ | |||||
| 6324 | 120 | 260 | 55 | 14.500 | 6324 ZZ | |||||
| 6326 | 130 | 280 | 58 | 18.000 | 6226 ZZ | |||||
| 6328 | 140 | 300 | 62 | 22.000 | 6228 ZZ | |||||
| 6330 | 150 | 320 | 65 | 26.000 | 6230 ZZ | |||||
| 6332 | 160 | 340 | 68 | 31.300 | 6232 ZZ | |||||
| 6334 | 170 | 360 | 72 | 35.200 | ||||||
| 6336 | 180 | 380 | 75 | 42.500 | ||||||
Product Description
The deep groove ball bearing is the most commonly used rolling bearing. Its structure is simple and easy to use. Mainly used to bear radial load, but when increasing the bearing radial clearance, has a certain angular contact ball bearing performance, can bear the diameter, axial combined load. In the high speed and should not use thrust ball bearing, can also be used to bear pure axial load. With deep groove ball bearing specifications of the same size of other types of bearings, such bearings friction coefficient is small, high limit speed. But not impact resistant, not suitable for heavy load.
Feature
| No. 1 | Pre-greased: Premium Quality greae |
| No. 2 | 100% Chrome steel materials |
| No. 3 | Low noise and low vibration at high speed operation |
| No. 4 |
Excellent stable performance for radial load applications |
Application
Used in air conditioners, automobiles, industrial motors, agriculture machinery, textile machinery, motorcycles, washing machines, snow throws, lawn mowers, gym machinery, electric power tools, water pumps, etc.
Company Profile
GIL is the brand of a professional manufacturer and supplier with bearing products.
We strictly follow the core of quality management process control:
> APQP: Product quality advanced plHangZhou
> SPC: Statistical process control
> MSA: Measurement system analysis
> FMEA: Analysis of potential failure modes and consequences
> PPAP: Production part approval procedure
Granville’s advanced service solutions can help you to:
> Improve productivity
> Reduce maintenance costs
> Improve energy efficiency
> Optimize designs
> Reduce time to market
> Reduce total cost of ownership
Values
> Behavior-based, service-oriented, focused on results, and committed to continuous improvement.
Our Advantages
FAQ
1.Can you accept OEM and customization?
Yes. We can customize it according to the samples and drawings you provide.
2.Can you provide some samples free of charge?
Yes. We can provide samples free of charge but not include the freight.
3.What’s the delivery time?
The delivery time of sample order is 3 working days and the bulk order is 5-10 working days.
4. Why your price is not the lowest?
Price = quality . You get what you pay for. We firmly believe that the customer always get more benifits from the good quality than the price with little diffrence. So we insist on doing high-quality products.
5:What kind of transport do you have ?
According to the weight,we will choose the most appropriate mode of transport for you. Our freight forwarding is efficient and cheap.
/* 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(/(.*?):(.*)$/))&&1
| (C)Basic Dynamic Load Rating: | 8.52 kN |
|---|---|
| (Co)Basic Static Load Rating: | 3.4 kN |
| Weight (Kg): | 0.0530 |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| 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. |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
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.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-03-29
China Professional Industrial Bearing/Chrome Steel Gcr15 UCP205-16 Ball Bearing (UCP200 Series, UCP300 Series) manufacturer
Product Description
Factory profile
(1)ZheJiang CZPT Bearing Manufacture Co., ltd, is the professional manufacture and exporter of Pillow block bearing, make the bearing and housing all by ourselves.
(2)30 years’ expeience of producing and exporting all kinds of bearings.
(3)With the advanced technique and equipments, we can provide high-level products under standard process and device .
(4)We have passed the ISO9001:2000 International Quality Management System and got the Certificate of Import & Export from our government .
(5)The annual output is more than 10 million sets
Specification
| Brand | FKD HHB or OEM |
| Structure | Pillow Block Bearing |
| Model Number | Any |
| Bearing Material | Chrome Steel, Stainless Steel, Plastic |
| Cage Material | Copper , Iron |
| Seals | Normal Seal, Triple Seal , F seal or as requirement |
| Lubrication | Grease, Oil |
| Precision | ABEC-1 (P0) |
| Clearance | C1, C2, C0, C3, C4, C5 |
| Vibration | V1, V2, V3, V4 |
| Noise | Z1, Z2, Z3, Z4 |
| Service | OEM |
| Place of Original | ZheJiang , China(Mainland) |
| Sample | Free Sample |
| Port | HangZhou or as requirement |
Bearing Characteristics :
| 1 | Thse bearings have a compact design and are easy to mount and dismount |
| 2 | With certain self-aligning effect |
| 3 | Large load capacity |
| 4 | Long service life |
| 5 | Low friction; low vibration and low noise |
4. Pillow block bearing application
insert bearing Pillow block bearing :Priority is suitable for the required equipment and parts simple situations, such as used for agricultural machinery, transportation system or on construction machinery.
| 1.Material: | Chrome steel,Gcr15 and so on | |||||||
| 2.Packing: | Dust-proof bag+single box+carbon or as requested | |||||||
| UCF200 Series: UCF203~UCF18 series; | ||||||||
| 3.Product categories: | UCF300 Series: UCF305~UCF328 | |||||||
| UCP Series, UCP Series, UCH Series and etc. | ||||||||
| 4.Quality standard: | ISO9001:2000 system passed | |||||||
| 5.Service | Prompt delivery,OEM and Undertake various commissioned production | |||||||
| 6.MOQ: | 20 Pieces or according to customer requirements | |||||||
| 7.Supply ability | 800000 sets per month | |||||||
| 8.Design: | We can also manufacture products according to customer’s sample or picture | |||||||
Trade Term
| Packaging : |
1. Commercial Packaging: Plastic Bag + Color box + Carton + Pallet; 2. Industrial Packaging 3. According to Customer’s Requirements. |
| Delivery: | 2 days for products in stock, 10-20 days for 20″ container |
| Payment : | (1) L/C at sight. (2) 30% T/T in advance, the balance 70% against copy of B/L(CIF) (3) 30% T/T in advance, the balance to be paid off before shipment.(FOB) |
FAQ
(1) How to prolong service life of bearings?
Accurate installation and using,alignment,timely monitor,re lubrication etc.
(2) Reason for bearings failure?
Usually is incorrect using method,pollution,improper use of lubricant,damage happened in installation and handing,also including installation error.according to the traces can know the reason why is failure.
(3) How to choose bearings?
Analyse mechanical device and use conditions.clear the requiremment of bearings.select type of bearings,select distribution way of bearings.selet dimensions of bearings,select installation method of bearings.
(4) When select bearings specifications,what you need to consider?
The precision of the bearings(rotating precision,dimensional tolerances)internal clearance and preload bearing material and heat treatment.structure of cage and material.
/* 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(/(.*?):(.*)$/))&&1
| Series: | UCP, Ucf, UCFL, Ucfc, Ucph, Ucpa etc |
|---|---|
| Bearing Series: | UC, UK, Uel, SA, Sb etc. |
| Bearing Housings Series: | P. F. FL. pH. PA. Fb. Fa. T. FC etc |
| Separation: | Yes |
| Material: | Bearing Steel |
| Load Direction: | Radial Bearing |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-03-28
China factory 3124m Double Row Angular Contact Ball Bearing for Transmission wheel bearing
Product Description
Product Description
Angular contact ball bearing can support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, it often adopts mounting in pair. As matched pairs of bearings, preload for them is more convenient. Retainer are made of brass, synthetic resins or others subject to individual bearing feature and application conditions.
The raceways of angular contact ball bearing in the inner and outer rings can have relative displacement on the horizontal axis. Therefore, this design can make it withstand combined loads, namely, supporting radial and axial loads simultaneously. The axial load capacity of angular contact ball bearing improves with the increasing contact angle.
Types of angular contact ball bearing
1.Single row angular contact ball bearing
Application: machine tool spindle, high frequency motor, gas turbine, centrifuge, small automobile front wheel, differential pinion shaft, booster pump, drilling platform, food machinery, dividing head, welding machine, low noise type cooling tower, mechanical and electrical equipment, coating equipment, machine tool slot plate, arc welding machine
2.Double row angular contact ball bearing
Application:oil pump, Roots blower, air compressor, all kinds of transmission, fuel injection pump, printing machinery, planetary reducer, extraction equipment, cycloid reducer, food packaging machinery, electric welding machine, electric soldering iron, square box, gravity spray gun, stripping machine, half shaft, inspection and analysis equipment, fine chemical machinery
3.Four-point contact ball bearing
Angular contact ball bearing feature :
1) Bear radial load and axial load
2) The larger the contact angle, the higher the axial bearing capacity
3) Advanced grade technology
4) Quiet and smooth operation even at high speed
5) Super finished raceways
6) Offer products in 15,25 and 40 degree angles
The following technical specifications are just for reference, pls contact us if more details needed.
| Bearing No. | Shape Dimension(mm) | (KN) Basic rated load |
Max Speed(rpm) | Weight(Kg) | ||||
| d | D | B | Cr | Cor | Grease | oil | ||
| Single row angular contact ball bearing | ||||||||
| 7200C | 10 | 30 | 9 | 5.8 | 2.90 | 22000 | 28000 | 0.032 |
| 7200AC | 10 | 30 | 9 | 5.5 | 2.80 | 22000 | 28000 | 0.032 |
| 7200B | 10 | 30 | 9 | 5.3 | 2.70 | 19000 | 27000 | 0.03 |
| 7300C | 10 | 35 | 11 | 9.8 | 4.69 | 18000 | 26000 | 0.053 |
| 7300AC | 10 | 35 | 11 | 9.5 | 4.40 | 18000 | 26000 | 0.053 |
| 7201C | 12 | 32 | 10 | 7.90 | 3.80 | 20000 | 25000 | 0.037 |
| 7201AC | 12 | 32 | 10 | 7.6 | 3.60 | 20000 | 25000 | 0.037 |
| 7201B | 12 | 32 | 10 | 6.90 | 3.20 | 18000 | 24000 | 0.036 |
| 7301C | 12 | 37 | 12 | 11.8 | 5.60 | 17000 | 24000 | 0.060 |
| 7301AC | 12 | 37 | 12 | 11.50 | 5.40 | 17000 | 24000 | 0.060 |
| 7301B | 12 | 37 | 12 | 10.5 | 4.90 | 16000 | 22000 | 0.060 |
| 7202C | 15 | 35 | 11 | 9.2 | 4.90 | 17000 | 22000 | 0.045 |
| 7202AC | 15 | 35 | 11 | 8.90 | 4.80 | 17000 | 22000 | 0.045 |
| 7202B | 15 | 35 | 11 | 7.9 | 4.20 | 16000 | 22000 | 0.045 |
| 7302C | 15 | 42 | 13 | 13.2 | 6.70 | 15000 | 21000 | 0.084 |
| 7302AC | 15 | 42 | 13 | 12.5 | 6.20 | 15000 | 21000 | 0.084 |
| 7302B | 15 | 42 | 13 | 12.4 | 6.50 | 14000 | 19000 | 0.080 |
| 7203C | 17 | 40 | 12 | 10.8 | 5.80 | 15000 | 20000 | 0.062 |
| 7203AC | 17 | 40 | 12 | 10.4 | 5.60 | 15000 | 20000 | 0.062 |
| 7203B | 17 | 40 | 12 | 9.9 | 5.50 | 14000 | 19000 | 0.065 |
| 7303C | 17 | 47 | 14 | 15.7 | 8.20 | 13000 | 19000 | 0.110 |
| 7303AC | 17 | 47 | 14 | 15.0 | 7.70 | 13000 | 19000 | 0.110 |
| 7303B | 17 | 47 | 14 | 15.4 | 8.10 | 13000 | 17000 | 0.110 |
| 7204C | 20 | 47 | 14 | 14.5 | 8.10 | 13000 | 18000 | 0.100 |
| 7204AC | 20 | 47 | 14 | 14.0 | 7.80 | 13000 | 18000 | 0.100 |
| 7204B | 20 | 47 | 14 | 13.4 | 7.60 | 12000 | 16000 | 0.110 |
| 7304C | 20 | 52 | 15 | 18.4 | 9.80 | 12000 | 17000 | 0.150 |
| 7304AC | 20 | 52 | 15 | 17.9 | 9.60 | 12000 | 17000 | 0.150 |
| 7304B | 20 | 52 | 15 | 17.3 | 9.6000 | 11000 | 15000 | 0.140 |
| 7205C | 25 | 52 | 15 | 16.5 | 10.00 | 11000 | 16000 | 0.120 |
| 7205AC | 25 | 52 | 15 | 15.8 | 9.70 | 11000 | 16000 | 0.120 |
| 7205B | 25 | 52 | 15 | 14.8 | 9.30 | 10000 | 14000 | 0.130 |
| 7305C | 25 | 62 | 17 | 27.8 | 15.90 | 9500 | 14000 | 0.230 |
| 7305AC | 25 | 62 | 17 | 27.0 | 15.90 | 9500 | 14000 | 0.230 |
| 7305B | 25 | 62 | 17 | 24.3 | 14.10 | 9000 | 13000 | 0.230 |
| 7206C | 30 | 62 | 16 | 23.0 | 14.70 | 9000 | 13000 | 0.190 |
| 7206AC | 30 | 62 | 16 | 22.1 | 13.50 | 9000 | 13000 | 0.190 |
| 7206B | 30 | 62 | 16 | 20.5 | 13.50 | 8500 | 12000 | 0.200 |
| Double row angular contact ball bearings | ||||||||
| 5200 | 10 | 30 | 14.3 | 7 | 3.80 | 20000 | 15000 | 0.049 |
| 5201 | 12 | 32 | 15.9 | 9.2 | 5.10 | 19000 | 14000 | 0.057 |
| 5202 | 15 | 35 | 15.9 | 10 | 6.10 | 16000 | 12000 | 0.064 |
| 5203 | 17 | 40 | 17.5 | 12.8 | 7.90 | 14000 | 10000 | 0.034 |
| 5204 | 20 | 47 | 20.6 | 19 | 12.10 | 12000 | 8000 | 0.153 |
| 5205 | 25 | 52 | 20.6 | 20.6 | 14.30 | 10000 | 7500 | 0.175 |
| 5206 | 30 | 62 | 23.8 | 28.6 | 20.40 | 8500 | 6500 | 0.286 |
| 5207 | 35 | 72 | 27 | 38 | 27.80 | 7500 | 5500 | 0.436 |
| 5208 | 40 | 80 | 30.2 | 42.5 | 32.50 | 7000 | 5300 | 0.590 |
| 5209 | 45 | 85 | 30.2 | 48 | 37.00 | 6500 | 5000 | 0.640 |
| 5210 | 50 | 90 | 30.2 | 51 | 42.00 | 6000 | 4500 | 0.689 |
| 5211 | 55 | 100 | 33.3 | 63 | 53.00 | 5800 | 4400 | 0.986 |
| 5212 | 60 | 110 | 36.5 | 71.5 | 58.50 | 5300 | 4000 | 1.270 |
| 5213 | 65 | 120 | 38.1 | 83.5 | 72.50 | 4800 | 4000 | 1.570 |
| 5214 | 70 | 125 | 39.7 | 87.5 | 79.50 | 4400 | 3800 | 1.800 |
| 5215 | 75 | 130 | 41.3 | 90 | 80.50 | 3600 | 3600 | 1.900 |
| 5216 | 80 | 140 | 44.4 | 106 | 95.50 | 3600 | 2800 | 2.390 |
| 5217 | 85 | 150 | 49.2 | 112 | 106.00 | 3500 | 2400 | 3.060 |
| 5218 | 90 | 160 | 52.4 | 140 | 129.00 | 3200 | 2200 | 3.730 |
| 5300 | 10 | 35 | 19 | 9.2 | 5.10 | 19000 | 14000 | 0.092 |
| 5301 | 12 | 37 | 19 | 10 | 6.10 | 17000 | 12000 | 0.109 |
| 5302 | 15 | 42 | 19 | 12.8 | 7.90 | 15000 | 10000 | 0.132 |
| 5303 | 17 | 47 | 22.2 | 20.4 | 12.10 | 12000 | 8000 | 0.181 |
| 5304 | 20 | 52 | 22.2 | 20.6 | 12.70 | 12000 | 8000 | 0.227 |
| 5305 | 25 | 62 | 25.4 | 30.5 | 20.50 | 10000 | 7500 | 0.362 |
| 5306 | 30 | 72 | 30.2 | 39.5 | 27.50 | 8000 | 6500 | 0.553 |
| 5307 | 35 | 80 | 34.9 | 49.5 | 35.00 | 7000 | 5300 | 0.766 |
| 5308 | 40 | 90 | 36.5 | 60.5 | 44.00 | 6500 | 5000 | 1.571 |
| 5309 | 45 | 100 | 39.7 | 72.5 | 54.00 | 5600 | 4300 | 1.340 |
| 5310 | 50 | 110 | 44.4 | 85.5 | 64.50 | 5300 | 4000 | 1.810 |
| 5311 | 55 | 120 | 49.2 | 106 | 82.00 | 4800 | 3600 | 2.320 |
| 5312 | 60 | 130 | 54 | 122 | 95.50 | 4500 | 3500 | 3.050 |
| 5313 | 65 | 140 | 58.7 | 138 | 109.00 | 4000 | 3000 | 3.960 |
| 5314 | 70 | 150 | 63.5 | 155 | 125.00 | 3800 | 2800 | 4.740 |
| 5315 | 75 | 160 | 68.3 | 168 | 141.00 | 3200 | 2600 | 5.650 |
| 5316 | 80 | 170 | 68.3 | 175 | 151.00 | 3000 | 2200 | 7.210 |
| 5318 | 90 | 190 | 73 | 225 | 266.00 | 3000 | 2000 | 9.015 |
| 3212M | 60 | 110 | 36.5 | 83.5 | 72.50 | 5300 | 4000 | 1.55 |
| 3213M | 65 | 120 | 38.1 | 87.5 | 79.50 | 4800 | 3800 | 1.78 |
| 3214M | 70 | 125 | 39.7 | 90 | 80.50 | 4400 | 3600 | 1.9 |
| 3215M | 75 | 130 | 41.3 | 106 | 95.50 | 3600 | 3000 | 2.15 |
| 3216M | 80 | 140 | 44.4 | 112 | 106.00 | 3600 | 2800 | 2.7 |
| 3217M | 85 | 150 | 49.2 | 140 | 129.00 | 3500 | 2400 | 3.5 |
| 3218M | 90 | 160 | 52.4 | 153 | 142.00 | 3200 | 2200 | 4.18 |
| 3219M | 95 | 170 | 55.6 | 163 | 184.00 | 3000 | 2000 | 5.1 |
| 3220M | 100 | 180 | 60.3 | 210 | 240.00 | 2500 | 1900 | 6.14 |
| 3221M | 105 | 190 | 65.1 | 210 | 240.00 | 2200 | 1600 | 7.4 |
| 3222M | 110 | 200 | 69.8 | 218 | 245.00 | 2000 | 1400 | 9.2 |
| 3308M | 40 | 90 | 36.5 | 60.5 | 44.00 | 6500 | 5000 | 1.01 |
| 3309M | 45 | 100 | 39.7 | 72.5 | 54.00 | 5600 | 4300 | 1.41 |
| 3310M | 50 | 110 | 44.4 | 85.5 | 65.00 | 5300 | 4000 | 1.96 |
| 3311M | 55 | 120 | 49.2 | 106 | 82.00 | 4800 | 3600 | 2.68 |
| 3312M | 60 | 130 | 54 | 122 | 96.00 | 4500 | 3500 | 3.25 |
| 3313M | 65 | 140 | 58.7 | 138 | 109.00 | 4000 | 3000 | 4.18 |
| 3314M | 70 | 150 | 63.5 | 155 | 125.00 | 3800 | 2800 | 5.2 |
| 3315M | 75 | 160 | 68.3 | 168 | 141.00 | 3200 | 2600 | 5.85 |
| 3316M | 80 | 170 | 68.3 | 175 | 151.00 | 3200 | 2600 | 7.75 |
| 3317M | 85 | 180 | 73 | 167 | 240.00 | 3000 | 2200 | 8.3 |
| 3318M | 90 | 190 | 73 | 225 | 266.00 | 3000 | 2000 | 9.02 |
| 3319M | 95 | 200 | 77.8 | 269 | 294.00 | 2700 | 1800 | 11.16 |
| 3320M | 100 | 215 | 82.6 | 309 | 359.00 | 2200 | 1500 | 14.2 |
| 3321M | 105 | 225 | 87.3 | 309 | 360.00 | 1800 | 1200 | 16.35 |
| 3322M | 110 | 236.5 | 90.2 | 366.2 | 403.70 | 1580 | 990 | 18.19 |
Our Advantages
1.Factory: we are a professional bearing supplier in China. Besides of our own factory, we also have a stable supply chain to provide all types of bearing.
2.Quality: we can supply bearing with world-class quality.
3.OEM or Non-Standard Bearing: OEM & Non-Standard bearing are available.
4.Professional teams:we have professional teams with technology, research and production.
5. Quick delivery: we can provide the shortest delivery time.
Packaging & Shipping
Packing & Shipping
1.Industrial packaging
2.Commercial packing
3.According to customer’s requirements.
Company Profile
ZheJiang Dente International Trade Co.,Ltd is a comprehensive enterprise with factory and trading company. we are focusing on import and export business based on our own bearing factory which is located in HangZhou City where is the largest bearing wholesale base in China.
ZheJiang Dente International Trade Co.,Ltd has taken in this line for more than 20 years. Besides of our own factory, we also cooperate with more than 500 bearing factories to meet market requirements. Therefore, we can supply high-quality bearing products with competitive price and the shortest delivery time if you choose us.
Our products include deep groove ball bearing, tapered roller bearing, pillow block bearing, self-aligning ball bearing, spherical roller bearing, cylindrical roller bearing, thrust ball bearing, non-standard bearing of automobiles. Simultaneously we also supply needle roller bearing, stainless steel bearing ,inch series bearing, non-standard bearing, imported bearing of global brand, wheel hub bearing. And we also supply some customized bearing.
Your satisfaction is our goal, expecting your inquiries.
FAQ
Q:Are you a manufacturer?
A:Yes, we are a manufacturer, we have our own factory.
Q:Can you supply samples?
A:Sure, samples can be provided free of charge, and the buyer pay the postage of the sample.
Q:The terms of shipment:
A:Firstly:We will delivery the bearings on time. The bearings will be shipped within 7 days after receiving the balance payment.
Q:How to place the order:
A:Send your inquiry →we will quote you→confirm the order→send you PI → make the in advance payment→we will produce the order→make the balance payment→delivery the goods after receiving the balance payment.
Q:The terms of payment:
A:30% deposit and 70% balance.
Q:The terms of price:
A: EXW factory
FOB HangZhou Port China
CIF any port of your orders
Q:If I want to mark my own brand on your bearing in small quantity does it work?
A: Yes, we can engrave your own brand on the bearing in small quantity.
In the future, when you have larger quantity, we can open the cover mold of your own brand name.
Q: MOQ
A: Once your bearing is standard size bearing, we accept the small quantity even in 1 set.
Q: If I don’t see the type of bearing I need, what should I do?
A: We have too many bearing series number. Sometimes, we are unable to put them all on Made-In-China. Just send the inquiry to us, and we’ll send you the details of bearing.
Welcome to contact me!
/* 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(/(.*?):(.*)$/))&&1
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 1/Set
1 Set(Min.Order) | Order Sample Various types are available
|
|---|
| 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. |
|---|
What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?
Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:
- High-Carbon Chrome Steel (AISI 52100):
This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.
- Stainless Steel (AISI 440C, AISI 304, AISI 316):
Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.
- Ceramic:
Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.
- Plastic (Polyamide, PEEK):
Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.
- Bronze:
Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.
- Hybrid Bearings:
Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.
- Specialty Alloys:
For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.
- Coated Bearings:
Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.
The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-03-28