China OEM Long Life Chrome Steel Chinese Factory Bearing 7226AC 7228AC 7230AC 7232AC Angular Contact Ball Bearing with Price List with Good quality

Product Description

Long Life chrome steel Chinese factory bearing 7226AC 7228AC 7230AC 7232AC Angular Contact Ball Bearing with price list

Product Description

Features and benefits

  • Accommodates axial loads in both directions
  • Less axial space
    These bearings take up considerably less axial space than double row bearings.
  • High load carrying capacity
    A large number of balls are incorporated, giving the bearing its high load carrying capacity.
  • Separable design
    The split inner ring leads to easier mounting and dismounting of the bearing. 
  • Improved oil flow
  • Limited inner ring deformation when subjected to high clamping forces
Product Name Angular Contact Ball Bearing
Bearing Model 7226AC 7228AC 7230AC 7232AC
Brand Name KHRD
Cage Steel Cage.
Feature Long Life,  Low Noise,High Speed
Precision P0 P6 P5 P4 P2
Application High frequency motor, Machine tool spindle 
Serice  OEM
Samples Available
Package Box,Carton,Wooden Box,Plastic Tube or Per buyers requirement
Port HangZhou/HangZhou/ZheJiang
Payment Term  TT or Western Union

Detailed Photos

What is your Before-sales Service ? 
1>.Offer bearing related consultation about technology and application;
2>.Help customers about bearing choicing, clearance configuration, products’ life and reliability analysis;
3>.Offer highly cost-effective and complete solution program according to site conditions;
4>.Offer localized program on introduced equipment to save running cost;
5>.Design and develop non-standard bearing to support customers’ technology innovation

2. What is your After-sales Service ?
1>.Offer training about bearing installation and maintenance;
2>.Offer guidance about bearing installation, adjustment and testing at site;
3>.Help customers with trouble diagnosis and failure analysis;
4>.Visit customers regularly and feedback their rational suggestions and requirements to company.

If you want to know more details, contact me freely. /* 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
US$ 50/Set
1 Set(Min.Order)


Order Sample



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.

rolling contact bearing

Can you explain the installation and alignment considerations for rolling contact bearings?

Proper installation and alignment are crucial for the optimal performance and longevity of rolling contact bearings. Incorrect installation or misalignment can lead to premature wear, increased friction, reduced load-carrying capacity, and potential bearing failure. Here’s a detailed explanation of the installation and alignment considerations for rolling contact bearings:

  • Clean and Proper Workspace:

Before installing rolling contact bearings, it is essential to ensure a clean and suitable workspace. The work area should be free from dirt, dust, debris, and contaminants that could enter the bearing during installation. Contamination can cause damage to the bearing surfaces and compromise its performance. Additionally, the workspace should have appropriate tools and equipment to facilitate the installation process, including bearing pullers, mounting tools, and measurement instruments.

  • Handling and Storage:

Rolling contact bearings should be handled with care to prevent damage to the bearing surfaces. They should be stored in a clean and dry environment, protected from moisture, dust, and extreme temperatures. During handling, it is important to avoid dropping or impacting the bearings, as this can cause surface damage or internal defects. Proper handling and storage practices help maintain the integrity of the bearings and ensure their performance during installation.

  • Shaft and Housing Preparation:

Prior to installing the rolling contact bearings, the shaft and housing surfaces must be prepared appropriately. The shaft and housing should be clean, free from burrs, and have the correct dimensions and tolerances specified by the bearing manufacturer. Any roughness or irregularities on the shaft or housing can affect the fit and alignment of the bearing, leading to performance issues. It may be necessary to use appropriate tools, such as emery cloth or a deburring tool, to smooth the surfaces and ensure proper fitment.

  • Bearing Mounting:

When mounting rolling contact bearings, it is essential to follow the manufacturer’s recommended procedures and guidelines. This includes using the appropriate mounting tools and techniques to apply the necessary axial or radial force evenly during installation. Overloading or uneven force application can lead to bearing damage or misalignment. Proper mounting techniques may involve using a press, heat, or specialized mounting tools to ensure the bearing is seated securely and accurately on the shaft or in the housing.

  • Alignment:

Accurate alignment of rolling contact bearings is critical for their optimal performance. Misalignment can cause increased friction, premature wear, and reduced load-carrying capacity. It is important to align the bearing with respect to the shaft and housing to ensure proper concentricity and parallelism. Alignment methods may include visual alignment, feeler gauges, dial indicators, laser alignment systems, or other precision alignment tools. The specific alignment requirements may vary depending on the bearing type, application, and manufacturer recommendations.

  • Lubrication:

Proper lubrication is essential during the installation of rolling contact bearings. The bearing manufacturer’s recommendations should be followed regarding the type, quantity, and method of lubrication. Lubrication helps reduce friction, dissipate heat, and protect against wear and corrosion. It is important to ensure that the bearing is adequately lubricated during installation to facilitate smooth operation and prevent damage.

  • Verification and Testing:

After installation, it is recommended to verify the proper fitment, alignment, and operation of the rolling contact bearings. This may involve checking the axial and radial clearances, measuring runout, and performing functional tests to ensure smooth rotation and proper load distribution. Verification and testing help confirm the successful installation and identify any potential issues that may require adjustment or corrective action.

In summary, proper installation and alignment considerations are essential for the optimal performance and longevity of rolling contact bearings. Following recommended procedures, handling the bearings carefully, preparing the shaft and housing surfaces, ensuring accurate alignment, and providing appropriate lubrication contribute to the successful installation and reliable operation of rolling contact bearings in various applications.

rolling contact bearing

How do rolling contact bearings enhance the overall efficiency and functionality of machinery and equipment?

Rolling contact bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation of how rolling contact bearings contribute to improved efficiency and functionality:

  • Reduced Friction:

Rolling contact bearings are designed to minimize friction between moving parts. They consist of rolling elements, such as balls or rollers, that reduce the contact surface area and enable rolling motion. This rolling action results in lower friction compared to sliding contact, allowing machinery to operate with reduced energy consumption. By reducing frictional losses, rolling contact bearings help optimize the efficiency of machinery and equipment.

  • Load Distribution:

Rolling contact bearings distribute loads evenly across their rolling elements. This load distribution capability ensures that the forces acting on the machinery are spread out and shared by multiple bearing points. By distributing the load, rolling contact bearings help prevent excessive stress on individual components and minimize the risk of premature failure. This improves the overall functionality and reliability of machinery, allowing it to operate under heavy loads without compromising performance.

  • High-Speed Capability:

Rolling contact bearings are designed to operate at high speeds. The rolling elements and raceways are precisely engineered to minimize the centrifugal forces and minimize frictional heat generation. This allows machinery and equipment to achieve higher rotational speeds without compromising performance or reliability. The high-speed capability of rolling contact bearings is particularly advantageous in applications such as automotive engines, turbines, machine tools, and high-speed manufacturing processes.

  • Reduced Vibration and Noise:

Rolling contact bearings help reduce vibration and noise in machinery and equipment. The rolling action of the bearing elements minimizes friction-induced vibrations, resulting in smoother operation. Additionally, well-designed and properly lubricated rolling contact bearings dampen vibrations caused by external forces or imbalances in rotating parts. By reducing vibration and noise levels, rolling contact bearings contribute to a quieter and more comfortable working environment, as well as improved accuracy and precision in equipment that requires high levels of stability.

  • Versatility and Flexibility:

Rolling contact bearings offer versatility and flexibility in machinery design. They come in various types and configurations, such as deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings, and tapered roller bearings, each suited for specific applications and load conditions. The availability of different bearing sizes and designs allows engineers and designers to select the most appropriate bearing for their specific machinery requirements. This versatility and flexibility enable the optimization of machinery performance and functionality.

  • Compact Design:

Rolling contact bearings enable compact and space-saving machinery designs. Their ability to handle high loads while occupying minimal space allows for the creation of more compact equipment. This is particularly beneficial in applications where space is limited, such as automotive, aerospace, and portable devices. The compact design made possible by rolling contact bearings enhances the overall functionality and efficiency of machinery by maximizing the use of available space.

In summary, rolling contact bearings enhance the overall efficiency and functionality of machinery and equipment through reduced friction, load distribution, high-speed capability, vibration and noise reduction, versatility and flexibility in design, and compactness. By optimizing the performance of rotating components, rolling contact bearings contribute to improved energy efficiency, reliability, precision, and longevity of machinery and equipment in various industries.

rolling contact bearing

How do rolling contact bearings contribute to reduced friction and improved efficiency in machinery?

Rolling contact bearings play a crucial role in reducing friction and improving the efficiency of machinery. They achieve this through several design features and operating characteristics. Here’s a detailed explanation of how rolling contact bearings contribute to reduced friction and improved efficiency:

  • Rolling Motion:

Unlike sliding contact bearings, which rely on sliding friction between surfaces, rolling contact bearings utilize rolling motion between the rolling elements (balls or rollers) and the raceways. This rolling motion significantly reduces friction compared to sliding friction, resulting in lower energy losses and improved efficiency. The rolling contact between the elements and the raceways minimizes surface contact and allows smooth rotation with reduced frictional resistance.

  • Lubrication:

Rolling contact bearings are typically lubricated with oils or greases to further reduce friction and wear. Lubricants form a thin film between the rolling elements and the raceways, providing a protective layer that separates the surfaces and minimizes direct metal-to-metal contact. This lubricating film reduces friction and dissipates heat generated during operation, contributing to smoother rotation and improved efficiency.

  • Reduced Sliding Friction:

As mentioned earlier, rolling contact bearings rely on rolling motion rather than sliding friction. This design characteristic reduces the occurrence of sliding friction between the bearing components, resulting in lower frictional forces and decreased energy losses. The reduced sliding friction contributes to improved efficiency and can translate into energy savings in various machinery applications.

  • Load Distribution:

Rolling contact bearings distribute loads more evenly compared to sliding contact bearings. The rolling elements in a bearing share the load and distribute it over a larger contact area, reducing localized stress and minimizing friction. This load distribution characteristic helps prevent excessive wear and prolongs the service life of the bearing. By maintaining efficient load distribution, rolling contact bearings contribute to improved efficiency and reliability in machinery.

  • High-Speed Capability:

Rolling contact bearings are well-suited for high-speed applications due to their low friction characteristics. The rolling motion and reduced sliding friction allow these bearings to rotate at higher speeds with minimal heat generation. This high-speed capability is essential for various machinery, such as electric motors, machine tools, and automotive components, where efficient power transmission and rotational precision are critical for optimal performance and efficiency.

In summary, rolling contact bearings contribute to reduced friction and improved efficiency in machinery through their rolling motion, effective lubrication, reduced sliding friction, even load distribution, and high-speed capability. These design features and operating characteristics minimize energy losses, reduce wear, and enhance the overall performance and reliability of machinery in a wide range of industries.

China OEM Long Life Chrome Steel Chinese Factory Bearing 7226AC 7228AC 7230AC 7232AC Angular Contact Ball Bearing with Price List   with Good qualityChina OEM Long Life Chrome Steel Chinese Factory Bearing 7226AC 7228AC 7230AC 7232AC Angular Contact Ball Bearing with Price List   with Good quality
editor by CX 2024-05-17

Recent Posts