China factory Robot Arm Manipulator Welding Manipulator High Accuracy V Groove Cross Roller Spare Part Ru297xuucco Ru148 Bearing bearing engineering

Product Description

We offer a wide variety of precision machining capabilities including high quality precision machined parts,
Mechanical assemblies,and cutom fabrication for automobile,textile machinery,construction machinery etc.
Our manufacturing and process capabilities are ISO9000 Certified.

Flexible thin section bearing realizes the extremely thin bearing section, and also realizes the miniaturization and lightweight of the products. The variety of products expands its application range. It is generally divided into rubber seal-rs, iron seal-zz, plane, iron card-k, copper card-m.


Characteristic of flexible thin section bearing



Shoulder dimension

Basic Load rating








ds  Dh





10 52 27.3 8 0.3 24 29.5 29 24 0.12


20 70 41.5 12 0.6 37 47 7.35 8.35 0.29


35 95 66 15 0.6 59 74 17.5 22.3 0.62


55 120 85 15 0.6 79 93 20.3 29.5 1


80 165 124 22 1 114 134 33.1 50.9 2.6


90 210 148 25 1.5 133 162 49.1 76.8 4.9


115 240 178 28 1.5 161 195 80.3 135 6.8


160 295 227.5 35 2 208 246 104 173 11.4
210 380 297.3 40 2.5 272 320 156 281 21.3
350 540 445.4 45 2.5 417 473 222 473 3504

Custom size requirement are also available


Our advantage:
1.The original 100% factory, more than 10 years’ production experience
2.Produce and process products according to your drawings and requirement.
3.All kinds of surface treatment available,such as anodizing,power coating,painting,polishing and etc.
4.Our professional R&D and QC team can strictily control the product quality to meet your requirement.
5.Our products are of high quality at cheap price,and delivered on time.

Manufacturing strength & Vehicle processing line

1.Professional operators

2.Adopting advanced CNC machine tools in Japan

3.Totally enclosed production workshop

4.Experienced managers

5.Digital control production line

6.Advanced level of technology



Production Detection

1.Complete testing facilities

2.Perfect measurement methods

3.Perfect production detection methods

4.Strong QC team,conduct comprehensive quality control

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Standard or Nonstandard: Customized
Feature: High Speed
Sealing Gland: Customized
Rolling-Element Number: Customized
Roller Type: Customized
Material: Customized
US$ 0/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

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

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

What are roller bearings, and how are they used in various mechanical applications?

Roller bearings are mechanical components designed to facilitate smooth and efficient rolling motion between two surfaces. They consist of cylindrical or tapered rollers placed between inner and outer raceways, which are typically in the form of rings or tracks. Roller bearings are widely used in various mechanical applications where there is a need to support radial or axial loads and reduce friction. Here’s a detailed explanation of roller bearings and their diverse applications:

Types of Roller Bearings:

There are several types of roller bearings, each designed to accommodate specific load types and operating conditions:

  • Cylindrical Roller Bearings: These bearings feature cylindrical rollers that distribute loads evenly over a larger surface area. They are suitable for high radial loads and moderate axial loads and often used in applications such as electric motors, gearboxes, pumps, and machine tools.
  • Tapered Roller Bearings: Tapered roller bearings consist of tapered rollers and raceways that are angled to handle both radial and axial loads. They are commonly used in automotive applications, such as wheel bearings, transmissions, and differential gears, as well as in heavy machinery and 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. They are commonly used in applications with high radial loads and moderate axial loads, such as conveyor systems, mining equipment, and vibrating screens.
  • Needle Roller Bearings: Needle roller bearings have long, thin rollers with a high length-to-diameter ratio. They are designed to handle high radial loads in limited spaces and are commonly used in applications such as automotive transmissions, industrial gearboxes, and small appliances.
  • Thrust Roller Bearings: Thrust roller bearings are designed to handle axial loads and provide high thrust capacity in one direction. They consist of cylindrical or tapered rollers arranged in a cage and are used in applications such as automotive transmissions, crane hooks, and large-scale machinery.

Applications of Roller Bearings:

Roller bearings find extensive use in a wide range of mechanical applications due to their ability to support heavy loads, reduce friction, and provide smooth rotational motion. Some notable applications include:

  • Automotive Industry: Roller bearings are widely used in automotive applications, including wheel bearings, transmissions, differentials, and engines. They provide support for radial and axial loads, enable smooth rotation, and contribute to overall vehicle performance and reliability.
  • Industrial Machinery: Roller bearings are essential components in various industrial machinery and equipment. They are used in gearboxes, electric motors, pumps, conveyors, printing presses, and machine tools, among others. Roller bearings provide reliable and efficient operation, reducing friction and enabling high-speed and heavy-load capabilities.
  • Aerospace and Aviation: Roller bearings are critical in aerospace and aviation applications, where they are used in aircraft engines, landing gear systems, control surfaces, and helicopter rotor systems. They must meet stringent performance and reliability requirements in extreme operating conditions.
  • Construction and Mining: Roller bearings are employed in construction and mining equipment, such as excavators, bulldozers, cranes, and rock crushers. They provide robust support for heavy loads, withstand harsh environments, and contribute to the durability and performance of these machines.
  • Energy and Power Generation: Roller bearings are used in power generation equipment, including turbines, generators, and wind turbines. They enable smooth rotation, handle high loads, and contribute to the efficiency and reliability of energy production systems.
  • Railways and Transportation: Roller bearings play a crucial role in railway applications, including locomotives, passenger cars, and freight wagons. They provide support for wheels, axles, and suspension systems, ensuring safe and reliable operation under dynamic loads and varying operating conditions.
  • Medical Equipment: Roller bearings are used in various medical equipment, such as MRI machines, X-ray scanners, and surgical instruments. They provide precise and smooth motion in critical applications, contributing to the accuracy and reliability of medical procedures.

These are just a few examples of the extensive use of roller bearings in various mechanical applications. The versatility, load-carrying capacity, and efficiency of roller bearings make them essential components in numerous industries, where they contribute to the performance, durability, and reliability of machinery and equipment.

China factory Robot Arm Manipulator Welding Manipulator High Accuracy V Groove Cross Roller Spare Part Ru297xuucco Ru148 Bearing   bearing engineeringChina factory Robot Arm Manipulator Welding Manipulator High Accuracy V Groove Cross Roller Spare Part Ru297xuucco Ru148 Bearing   bearing engineering
editor by CX 2024-05-07

Roller Bearing

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

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