High precision

High speed

Low noise


custom made

Customization Process of Non-standard Bearings

The company can provide customized solutions for the special needs of customers,
Serve you sincerely, welcome to consult.


Communicate the bearing structure


Send drawings samples pictures sizes structures special requirements




Confirm drawings


Place orders





Precision Bearing Production Process

The company has established a standard production management system in accordance with the requirements of the ISO9001-2015 international quality management system.
Every production process is strictly controlled in accordance with the management system to ensure product quality.


The first step of the production process


The second step of the production process

Turning processing

The third step of the production process

Heat treatment

The fourth step of the production process

Grinding processing

The fifth step of the production process


The sixth step of the production process


The seventh step of the production process


The eighth step of the production process

Complete Models

Complete models of precision bearings and affordable prices.

Product Quality

Keep improving product quality and strictly control every process.

Strictly Controlled

Strictly controlled fingertip public welfare.

Service System

Reliable pre-sale, in-sale and after-sales service system.

Industry Application

Products are used in aerospace, precision instruments, numerical control equipment, medical equipment, textiles,
precision machine tools, ports, mining, coal, cement, oil drilling, wind power and other fields.

Machine tool industry


Industrial equipment

Medical equipment

Precision instrument

Welding machine

Industrial robot

News Center

The company releases company information in real time, controls in dustry trends in real time, and understands product knowledge in real time.

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Cylindrical roller bearing size summary

Cylindrical roller bearings are designed to handle heavy radial loads and operate at high speeds. They come in various sizes and configurations to suit different applications. Here’s a summary of the typical sizes and dimensions for cylindrical roller bearings: Basic Designations Cylindrical roller bearings are typically categorized by their design, denoted by specific series designations. Common series include: N Series: Single row, inner ring has two flanges, outer ring has no flanges. NU Series: Single row, outer ring has two flanges, inner ring has no flanges. NJ Series: Single row, outer ring has two flanges, inner ring has one flange. NUP Series: Single row, outer ring has two flanges, inner ring has one flange and a loose flange ring. NF Series: Single row, outer ring has one flange, inner ring has two flanges. NN Series: Double row, used for applications requiring high radial load capacity. NNU Series: Double row, used […]

What are the properties of precision bearings?

Precision bearings are specialized bearings designed to meet exacting performance requirements, particularly in applications where high accuracy, reliability, and efficiency are essential. These bearings are engineered with tight tolerances, advanced materials, and precise manufacturing processes to deliver superior performance in demanding environments. The key aspects of precision bearings High Accuracy: Precision bearings are manufactured to extremely tight tolerances, ensuring consistent and accurate operation under varying loads, speeds, and conditions. This high level of accuracy minimizes runout, backlash, and other sources of error, resulting in smooth and precise motion control. Reduced Friction: Precision bearings are designed to minimize friction and wear, optimizing efficiency and extending service life. They typically feature advanced lubrication systems, specialized coatings, and optimized contact geometries to reduce energy consumption and heat generation during operation. Enhanced Rigidity: Precision bearings are engineered for high stiffness and rigidity to maintain positional accuracy and stability under load. They are often used […]

What are the precautions for installing precision bearings?

Installing precision bearings requires careful attention to detail to ensure proper function and longevity. Here are some precautions to consider when installing precision bearings: Cleanliness: Ensure that the work area, tools, and hands are clean to prevent contamination of the bearing components. Any dirt, dust, or debris can compromise the precision and performance of the bearings. Handling: Handle the bearings with care, avoiding dropping or impacting them against hard surfaces. Use gloves to prevent skin oils from transferring to the bearing surfaces. Lubrication: Apply the appropriate type and amount of lubricant to the bearing surfaces before installation. This helps reduce friction and wear during operation. Alignment: Ensure proper alignment of the bearing components during installation. Misalignment can lead to premature wear and failure of the bearings. Mounting Method: Use the correct method for mounting the bearings onto shafts or housings, following the manufacturer’s recommendations. Improper mounting can cause damage to […]

What are the types of screw bearings?

Screw bearings are a type of rolling element bearing designed to support axial loads, often in conjunction with rotating screws or shafts. These bearings are commonly used in machinery and equipment where precise axial movement and load support are required. Screw bearings types Ball Screw Bearings: Ball screw bearings utilize ball bearings to support axial loads and facilitate smooth, low-friction movement along the screw shaft. They consist of an inner race, an outer race, and a cage assembly containing precision-ground balls. Ball screw bearings are known for their high efficiency, accuracy, and repeatability, making them ideal for applications requiring precise linear motion control, such as CNC machines, robotics, and precision manufacturing equipment. Roller Screw Bearings: Roller screw bearings use cylindrical rollers instead of balls to support axial loads. These rollers have a greater contact area with the screw shaft, allowing for higher load capacities and improved resistance to shock and vibration. […]

What are the application fields of precision bearings?

Precision bearings are engineered to operate with high accuracy, reliability, and precision, making them suitable for various demanding applications across different industries. Precision bearing applications Aerospace: Precision bearings are extensively used in aerospace applications due to their ability to withstand high speeds, extreme temperatures, and harsh operating conditions. They are utilized in aircraft engines, landing gear systems, flight control systems, and other critical components where precision and reliability are essential. Automotive: Precision bearings play a vital role in automotive applications, where they are used in engine components, transmissions, wheel hubs, steering systems, and suspension systems. They help reduce friction, improve efficiency, and enhance vehicle performance and reliability. Machine Tools: Precision bearings are widely used in machine tools such as lathes, milling machines, grinders, and machining centers. They provide high rotational accuracy, stiffness, and load-carrying capacity, contributing to the precision and productivity of machining operations. Medical Equipment: Precision bearings are crucial […]

How to select angular contact ball bearing

Angular contact ball bearings are a specific type of ball bearing designed to handle both radial and axial loads simultaneously. They achieve this through the unique design of their inner and outer races, which are offset from each other. This offset creates an angle between the raceway and the balls, allowing them to support thrust loads in one direction. Selecting the right angular contact ball bearing involves considering several factors 1. Load and Speed Type of Load: Determine whether the primary load is axial, radial, or a combination of both. Angular contact bearings are ideal for combined loads, especially when the axial load is significant. Magnitude of Load: Calculate the expected radial and axial loads the bearing will experience. This will help you choose a bearing with the appropriate load capacity. Rotational Speed: Consider the desired operating speed. Some bearings are better suited for high-speed applications than others. 2. Bearing […]

Service & Support

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Dave C. Rogers

The product quality is very good, they can customize the products according to our needs and deliver them in advance…