China Hot selling Stainless Steel Deep Groove Ball Rolling Auto Roller Bearings bearing engineering

Product Description

China supplier RW Bearing Ball bearing Double Sided Seal Stainless Steel Bearings S6802 2 Rs Zz 15 * 24 * 5 Mm Thin Wall Bearing Deep Groove Ball Bearings

Deep groove bearing Specification
1.    Bearing Factory more than 20 years
2.    RW bearing
3.    OEM Accepted.
4.ISO9001:2000.     TS16949.
5.    Chrome steel material,Stainless steel.
6.    Production range: 60 series, 62 series, 63 series, 67 series, 68 series, 69 series deep groove ball bearings, and other types of deep groove ball bearings.

material  stainless steel    bearing steel   carton steel
60 series
62 series
63 series
67 series
68 series
69 series

The type of Rongwei bearing radial deep groove bearing window bearing/sliding bearing/roller bearing door bearing, the component materials used will determine the life, reliability and performance of the bearing.  However, there are many factors that affect bearing performance, including the choice of bearing capacity, rolling contact conditions, as well as the cleanliness of the working environment and the dimensional stability of the bearing parts.

The production process in our workshop

About RW Bearing

RWbearing is a brand that represents quality, precision, and innovation in the world of deep groove ball bearings.  Our story began many years ago when a group of engineers and technicians set out to create a new kind of bearing that would exceed the expectations of customers around the world.

At RWbearing, we understand that every customer has unique needs and challenges.  That’s why we have made it our mission to design and manufacture bearings that are tailored to meet these needs, with the highest levels of performance and durability.

Our team of experts has spent countless hours researching and developing new materials, designs, and manufacturing processes to ensure that every RWbearing product is of the highest quality.  We use only the best raw materials and components, and our production facilities are equipped with the latest technology to ensure that every bearing meets our rigorous standards.

But our commitment to quality doesn’t stop there.  We are also dedicated to providing excellent customer service and support, with a team of knowledgeable and experienced professionals ready to assist you with any questions or concerns you may have.

At RWbearing, we believe that our success depends on the success of our customers.  That’s why we are always looking for new ways to innovate and improve, so that we can continue to exceed your expectations and provide you with the best possible solutions for your bearing needs.

So whether you’re looking for high-performance bearings for your industrial machinery, or precision bearings for your automotive or aerospace applications, you can trust RWbearing to deliver the quality, reliability, and innovation you need to succeed.

RWbearing – Quality You Can Count On.

exhibitions of RW Bearing

Which bearings can we supply?

Our advantage is to produce bearings with bearing steel as raw materials, so that the price of bearings may be more expensive, but the quality of products is better. We support customization


Q: Are you trading company or manufacturer ?

A: We are factory. Welcome to visit our factory.

Q: How to get price ?

A: Please send inquiry through directly. Our salesman replys very fast.

Q: Do you provide Free Samples ?

A: Yes, we could offer you free samples, but do not pay the cost of freight.

Q: What’s the MOQ ?

A: The MOQ depends on bearing’s model number and price.Usually the total cost will be $5000 at least.

Q: What’s your Payment Terms ?

A: We highly recommend Trade Assurance order on It is safe, convenient, and can make sure the on time delivery.
1 Trade Assurance Order
2 T/T (Bank Wire)
3 Western Union
4 Money Grame
5 Paypal

Q: How long is your lead-time?

A: Generally it is 2 to 4 days if the goods are in stock, or it will be about 6 to 15 days depends on quantity.

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Series: All Kinds of Deep Groove Ball
Other Material: Stainless Steel, Bearing Steel, Carbon Steel
Custom Drawing: OEM ODM
US$ 2/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

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

roller bearing

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

Roller bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. They provide numerous benefits that contribute to improved performance, reliability, and longevity. Here’s a detailed explanation of how roller bearings enhance the efficiency and functionality of machinery and equipment:

  • Reduced Friction:

Roller bearings are designed to minimize friction between moving parts. They utilize rolling elements, such as cylindrical, spherical, or tapered rollers, to reduce contact area and enable smooth rolling motion. By reducing friction, roller bearings minimize energy losses, improve efficiency, and reduce heat generation. This allows machinery and equipment to operate with less resistance, resulting in improved overall efficiency.

  • Load Distribution:

Roller bearings are capable of distributing loads evenly across their rolling elements. This enables machinery and equipment to handle high loads without excessive stress on individual components. By distributing the load, roller bearings prevent localized wear and premature failure of critical parts. This leads to increased durability and reliability of the machinery or equipment, enhancing its overall functionality.

  • High-Speed Operation:

Roller bearings are designed to accommodate high rotational speeds. The rolling motion of the bearing elements reduces friction and allows for smooth operation even at high speeds. This is particularly important in applications such as electric motors, turbines, and automotive engines, where rapid rotation is required. By enabling high-speed operation, roller bearings enhance the efficiency and functionality of machinery and equipment in various industries.

  • Reduced Vibration and Noise:

Properly selected and installed roller bearings help reduce vibration and noise levels in machinery and equipment. They absorb and dampen vibrations caused by rotating or oscillating parts, resulting in smoother operation and reduced noise emissions. This is particularly important in precision applications, such as machine tools or medical equipment, where minimal vibration and noise are essential for accuracy and patient comfort.

  • Compact Design:

Roller bearings offer a compact design that allows for efficient use of space in machinery and equipment. They have a high load-carrying capacity relative to their size, enabling the design of more compact and lightweight systems. This is advantageous in applications where space constraints are a concern, such as in automotive, aerospace, or portable devices. The compact design facilitated by roller bearings enhances the functionality and versatility of the machinery or equipment.

  • Easy Installation and Maintenance:

Roller bearings are generally designed for ease of installation and maintenance. They are available in various configurations, including single-row, double-row, and multi-row designs, to accommodate different mounting arrangements. This simplifies the installation process and reduces downtime during maintenance or replacement. Additionally, roller bearings often have standardized dimensions and interfaces, making it easier to interchange them with compatible bearings when necessary.

In summary, roller bearings enhance the overall efficiency and functionality of machinery and equipment through reduced friction, load distribution, high-speed operation, vibration and noise reduction, compact design, and ease of installation and maintenance. By incorporating roller bearings into the design and operation of machinery and equipment, industries can achieve improved performance, reliability, and productivity, leading to enhanced operational efficiency and customer satisfaction.

roller bearing

What is the impact of proper lubrication on the performance and lifespan of roller bearings?

Proper lubrication plays a crucial role in enhancing the performance and extending the lifespan of roller bearings. The application of the correct lubricant in the appropriate quantity and at regular intervals offers several significant benefits. Here’s a detailed explanation of the impact of proper lubrication on the performance and lifespan of roller bearings:

  • Reduced Friction and Wear:

Proper lubrication creates a thin film of lubricant between the rolling elements and the raceways of roller bearings. This lubricating film acts as a protective barrier, reducing direct metal-to-metal contact and minimizing friction. With reduced friction, the bearing operates more efficiently, resulting in less energy loss and decreased wear. By preventing excessive wear, proper lubrication helps to maintain the precision and smooth operation of roller bearings, contributing to their extended lifespan.

  • Temperature Control:

Lubrication helps to dissipate heat generated during the operation of roller bearings. The lubricant absorbs and carries away heat from the bearing, preventing the buildup of excessive temperatures. Effective temperature control is crucial as elevated temperatures can lead to premature bearing failure, lubricant breakdown, and reduced performance. Proper lubrication ensures that roller bearings operate within their optimal temperature range, promoting reliable performance and prolonging their lifespan.

  • Corrosion and Contamination Prevention:

Lubricants often contain additives that provide protection against corrosion and minimize the effects of contaminants. Roller bearings are vulnerable to corrosion from moisture or aggressive environments, which can degrade their performance and lead to premature failure. Lubrication forms a protective barrier, preventing moisture and corrosive substances from reaching the bearing surfaces. Additionally, lubricants can trap and suspend contaminants, such as dirt, dust, and particles, preventing them from causing damage to the bearing. Proper lubrication helps to maintain a clean and protected environment, ensuring the longevity and reliable operation of roller bearings.

  • Noise and Vibration Reduction:

Insufficient or improper lubrication can result in increased noise and vibration levels in roller bearings. When the lubricating film is inadequate, the rolling elements and raceways can experience metal-to-metal contact, leading to noise and vibration during operation. Proper lubrication ensures that the lubricating film remains intact, minimizing noise and vibration levels. Reduced noise and vibration not only contribute to a smoother and quieter operation but also help to prevent potential damage to the bearing and its surrounding components.

  • Sealing Effectiveness:

Proper lubrication helps to maintain the effectiveness of seals or shields used in roller bearings. Lubricants can enhance the sealing properties of these protective mechanisms, preventing the entry of contaminants into the bearing. By keeping contaminants out, proper lubrication helps to preserve the integrity of the lubricant and prolong the lifespan of the bearing. It also reduces the need for frequent maintenance and extends the time between bearing replacements.

In summary, proper lubrication significantly impacts the performance and lifespan of roller bearings. It reduces friction and wear, controls temperature, prevents corrosion and contamination, reduces noise and vibration, and enhances the effectiveness of sealing mechanisms. By providing optimal lubrication, roller bearings operate more efficiently, experience less wear, and have an extended service life. Regular maintenance and adherence to proper lubrication practices are essential for maximizing the performance and longevity of roller bearings in various applications and industries.

roller bearing

Can you explain the different types of roller bearings and their specific functions?

Roller bearings come in various types, each designed to fulfill specific functions and accommodate different types of loads. Here’s an explanation of the different types of roller bearings and their specific functions:

  • Cylindrical Roller Bearings: Cylindrical roller bearings consist of cylindrical rollers that distribute load over a larger surface area. They are capable of handling high radial loads and moderate axial loads. The cylindrical shape of the rollers allows them to provide good contact between the rolling elements and the raceways, resulting in efficient load distribution. Cylindrical roller bearings are commonly used in applications such as electric motors, gearboxes, pumps, and machine tools.
  • Tapered Roller Bearings: Tapered roller bearings have tapered rollers and raceways arranged in such a way that they can support both radial and axial loads. The tapered design enables the rollers to handle large radial forces and axial forces in a single direction. Tapered roller bearings are commonly used in automotive applications, such as wheel bearings, transmissions, and differential gears. They are also widely utilized in heavy machinery and equipment, including construction and mining equipment.
  • Spherical Roller Bearings: Spherical roller bearings have barrel-shaped rollers that align themselves with the outer raceway, allowing them to accommodate misalignment and shaft deflection. This self-aligning capability makes spherical roller bearings suitable for applications where there may be misalignment or shaft flexing. They can handle high radial loads and moderate axial loads and are commonly used in applications such as conveyor systems, mining equipment, and vibrating screens.
  • Needle Roller Bearings: Needle roller bearings consist of long, thin rollers with a high length-to-diameter ratio. They are designed to handle high radial loads in limited spaces. The small diameter of the rollers allows for a compact design, making needle roller bearings suitable for applications with limited radial space. They are commonly used in automotive transmissions, industrial gearboxes, and small appliances.
  • Thrust Roller Bearings: Thrust roller bearings are designed to accommodate axial loads and provide high thrust capacity in one direction. They consist of cylindrical or tapered rollers arranged in a cage. Thrust roller bearings are commonly used in applications where there is a need to support heavy axial loads, such as automotive transmissions, crane hooks, and large-scale machinery.

Each type of roller bearing has its specific design and functionality, making them suitable for different applications based on the type and magnitude of the loads encountered. By understanding the characteristics and functions of each type, engineers and designers can select the appropriate roller bearing to ensure optimal performance and reliability in their specific applications.

China Hot selling Stainless Steel Deep Groove Ball Rolling Auto Roller Bearings   bearing engineeringChina Hot selling Stainless Steel Deep Groove Ball Rolling Auto Roller Bearings   bearing engineering
editor by CX 2024-03-28

Roller Bearing

As one of the leading roller bearing manufacturers, suppliers, and exporters of mechanical products, We offer roller bearing and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of roller bearing.

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