China Standard Ultralight Series 33206 Tapered Roller Bearing connecting rod bearing

Product Description

Product Name 33206(Old Bearing No:3007206)
Bearing Material Gcr15
Dimmension(mm)
d×D×B
30*62*25
Weight/Mass(kg) 0.370
Tolerance Level P0,P6,P5,P4
Brand RL/Unbranded
Feture Longer Life,Low Noise,High Speed,Thermostability
Package Package+Carton+Pallet
Certifacation ISO14001,OHSAS18001,IATF16949
Production Capacity 30000000 sets

Bearing No Dimension(mm) Mass
New Old d D T B
33205 3007205 25 52.00 22.00 22.00 0.230
33206 3007206 30 62.00 25.00 25.00 0.370
33207 3007207 35 72.00 28.00 28.00 0.522
33208 3007208 40 90.00 25.25 23.00 0.535
33211 3007211 55 100.00 35.00 35.00 1.20
33212 30571 60 110.00 38.00 38.00 1.60
33213 3007213 65 120.00 41.00 41.00 2.05
33214 3007214 70 125.00 41.00 41.00 2.10
33215 3007215 75 130.00 41.00 41.00 2.25
33216 3007216 80 140.00 46.00 46.00 2.90
33217 3007217 85 150.00 49.00 49.00 3.70
33218 3007218E 90 160.00 55.00 55.00 4.55
33219 3007219E 95 170.00 58.00 58.00 5.48

Product Composition
Company Profile

ZHangZhoug CZPT bearing technology co,LTD.

ZHangZhoug CZPT bearing technology co,LTD.(formerly HangZhou CZPT bearing co.,LTD.), founded in December 1994, is a professional manufacturer of all kinds of small and medum sized metric and inch tapered roller bearings. Plant area are more than 15,000 square meters, with fixed assets 80 rnillion, more than 10 million sets annual production capacity.

 

Corporate Culture
The pool of elite,brain storming,human oriented management, everyone can enjoy a nice career.

 

Science and Technology

We integrate research & development, production,sales&marking and service, and target high quality.

 

Production Technology

Exguisite production technology backs up the upgrading of CZPT products.

Application Scenario

Q:What is the delivery time of the product after placing the order? A:If in stock,10-15 days or depending on the quantity of your order.
Q: Do you provide samples ? its free or extra ?  A: Yes, we could offer the samples with free charge but do not pay              the cost of freight. 
Q:Why chose you? A:We are the manufacturer, with 28 years of production experience. 
    We have our own bearing brand, and also make OEM for
     customers. Q:Dose your factory have any certificate?
A:We passed ISO9001-2000 quality managemet system certification       in 2003, and ISO/TS16949:2009 quality management system
     certification in July 2008. The company has 5 invention patents 
     and 18 utility model pattents.

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Rolling Body: Roller Bearings
The Number of Rows: Single
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Bearing Steel
Spherical: Non-Aligning Bearings
Separated: Unseparated
Samples:
US$ 8.25/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

roller bearing

What is the role of cage design and materials in roller bearing performance and durability?

The design and materials used in the cage of a roller bearing have a significant impact on its performance and durability. The cage, also known as the retainer or separator, holds and spaces the rolling elements within the bearing, ensuring their proper alignment and distribution. Here’s a detailed explanation of the role of cage design and materials in roller bearing performance and durability:

  • Rolling Element Guidance:

The primary role of the cage is to guide the rolling elements, such as balls or rollers, within the bearing. The design of the cage determines the spacing and orientation of the rolling elements, maintaining their proper alignment and preventing contact or interference. By guiding the rolling elements, the cage minimizes friction and wear, allowing for smooth and efficient operation of the bearing. It also prevents the rolling elements from skewing or tilting, which could lead to uneven load distribution and premature failure.

  • Load Distribution:

The cage plays a critical role in distributing the loads applied to the bearing evenly among the rolling elements. It helps prevent excessive stress on individual elements, reducing the risk of fatigue, brinelling, or premature wear. An optimally designed cage ensures that the loads are properly distributed, maximizing the bearing’s load-carrying capacity and enhancing its durability under various operating conditions.

  • Lubricant Retention:

The cage also assists in retaining the lubricant within the bearing. It helps create spaces or pockets for lubricant storage, allowing for proper lubrication of the rolling elements and raceways. Effective lubrication reduces friction, heat generation, and wear, promoting smoother operation and extending the bearing’s service life. The cage design should account for sufficient lubricant retention while minimizing excessive drag or churning losses.

  • Friction and Heat Generation:

The materials used in the cage can impact the frictional characteristics and heat generation of the bearing. The design and material selection should aim to minimize friction between the cage and the rolling elements, as well as between the cage and the bearing rings. This reduces energy losses and heat buildup, enhancing the overall efficiency of the bearing. Materials with low friction coefficients and good thermal conductivity, such as engineered plastics or certain types of metals, are commonly used for cage construction.

  • Strength and Durability:

Cage materials should possess sufficient strength and durability to withstand the operating conditions and loads imposed on the bearing. The cage must resist deformation or fatigue under normal operating loads, ensuring the stability and integrity of the rolling element arrangement. The choice of cage material depends on factors such as the application’s speed, temperature, and load requirements. Common cage materials include steel, brass, polyamide (nylon), and various engineered plastics.

  • Noise and Vibration:

The cage design and materials can also influence the noise and vibration characteristics of the bearing. Properly designed and well-matched cages help minimize cage-induced vibrations and rattling, which can contribute to undesirable noise levels. Additionally, certain cage materials with good damping properties can help reduce vibrations and noise generated by the rolling elements’ impacts or resonance phenomena, further improving the bearing’s performance and user experience.

In summary, the cage design and materials significantly impact the performance and durability of roller bearings. They play a vital role in guiding the rolling elements, distributing loads, retaining lubrication, minimizing friction and heat generation, ensuring strength and durability, and influencing noise and vibration levels. By carefully considering the cage design and selecting appropriate materials, manufacturers can optimize the bearing’s performance, improve its reliability, and extend its service life in various applications and operating conditions.

roller bearing

Can roller bearings be customized or modified for unique industrial needs?

Yes, roller bearings can be customized or modified to meet unique industrial needs. Manufacturers understand that different industries and applications may have specific requirements that cannot be fulfilled by standard off-the-shelf bearings. Customization or modification of roller bearings allows for tailored solutions that address the unique challenges and demands of specific industrial applications. Here’s a detailed explanation of how roller bearings can be customized or modified:

  • Size and Configuration:

Roller bearings can be customized in terms of size and configuration to fit specific dimensional requirements. Different industries may have limitations in terms of available space or require bearings to fit into existing designs. Manufacturers can provide custom bearing sizes, shapes, or configurations to meet these specific needs. This can include variations in the number and arrangement of roller elements, cage designs, or outer ring profiles to optimize the bearing’s performance and compatibility with the application.

  • Load Capacity:

For applications with unique or heavy load requirements, roller bearings can be customized to enhance their load-carrying capacity. This can involve using different materials for the bearing components, optimizing the design geometry, or incorporating additional features such as larger rolling elements or modified cage designs. By customizing the bearing’s load capacity, it becomes better suited to withstand the specific forces and loads encountered in the industrial application.

  • High-Speed Performance:

In industries that require high-speed machinery or equipment, roller bearings can be customized to improve their performance at elevated speeds. High-speed applications often involve challenges such as increased temperature, centrifugal forces, or vibration. Customization can involve selecting specialized materials with improved heat resistance, optimizing the bearing’s internal geometry for reduced friction or better lubricant flow, or incorporating advanced cage designs that minimize cage wear and maintain stability at high speeds.

  • Specialized Materials and Coatings:

Roller bearings can be customized by using specialized materials or coatings to enhance their performance in specific environments. For example, industries with corrosive or high-temperature conditions may require bearings made from stainless steel or equipped with corrosion-resistant coatings. Additionally, specialized coatings such as ceramic or diamond-like carbon (DLC) coatings can be applied to reduce friction, improve wear resistance, or enhance the bearing’s overall performance in demanding applications.

  • Sealing and Lubrication:

Customization of roller bearings can involve designing and incorporating specific sealing mechanisms or lubrication systems tailored to the application’s requirements. This ensures effective protection against contaminants, such as dust, moisture, or debris, and allows for optimized lubrication to enhance the bearing’s performance and longevity. Custom sealing arrangements, such as labyrinth seals or triple-lip seals, can be implemented to provide higher levels of protection in challenging environments.

  • Integrated Sensors or Monitoring Systems:

In certain industries, there is a need for real-time monitoring of bearing performance or condition. Roller bearings can be customized with integrated sensors or monitoring systems to provide data on parameters such as temperature, vibration, or lubricant condition. These customizations allow for proactive maintenance, early fault detection, and overall system optimization by providing valuable insights into the bearing’s health and performance.

It is important to note that customization or modification of roller bearings typically involves collaboration between the bearing manufacturer, application engineers, and end-users. Through this collaborative process, the specific requirements and challenges of the industrial application can be understood, and the necessary modifications or customizations can be implemented to ensure optimal performance and reliability.

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 Standard Ultralight Series 33206 Tapered Roller Bearing   connecting rod bearingChina Standard Ultralight Series 33206 Tapered Roller Bearing   connecting rod bearing
editor by CX 2024-01-15

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