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Deep Groove Ball Bearings Manufacturers


  • Miniature deep groove ball bearing
    The miniature deep groove bearing refers to the type with a diameter of less than 26mm; it shares the common characteristics of deep groove ball bearings—high speed and easy installation, and can withstand radial load and two-way axial load.
    Miniature deep groove ball bearings produced by NZSB have the characteristics of high speed, extreme precision, low noise, long life, etc. Given the differing working conditions, they can be sealed by iron, rubber, stainless steel, fluorine rubber and so on and choices for cages and greases also range. The volume of production and sales of 608 in NZSB ranks first in China and second in the world.
    Miniature deep groove ball bearings are widely applied in oil pump, turbocharged, starting motor ABS, EPB, air suspension motor, wiper motor, glass lifting system, drive motor (EV), scroll compressor, EPS, etc. In the industry, it is used in energy-saving motor, industrial motor, fan, air compressor, cutting machine, polishing machine, financial automation equipment, printer, shredder, automatic production line, etc.
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  • Small deep groove ball bearing
    Small deep groove ball bearing refers to the kind with an outer diameter of 28mm to 55mm. The small deep groove ball bearing produced by NZSB features long life and high reliability. The heat treatment includes carburizing, carbonitride, etc; varied heat treatment processes, cages and greases can be adopted according to different working conditions.
    Nowadays, the annual output value of small deep groove ball bearings in NZSB is around 300 million RMB; with models ranging from 6200 to 6205; they are widely utilized in automobile, industry, water pump, air conditioning and other fields.
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  • Medium and small-sized deep groove ball bearing
    The outer diameter of medium and small sized deep groove ball bearings is 60mm to 115mm. This kind of bearings has low friction coefficient and high limit speed due to point contact.
    Medium and small-sized deep groove ball bearings are the most widely used bearings with simple structure, low manufacturing cost, high precision and no need for frequent maintenance.
    NZSB currently produces medium and small-sized deep groove ball bearings in the model range: 6206 ~ 6309, which is used in automobile, industrial and automation fields.
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Welcome learn more
about NZSB ™

Ningbo Silver-ball Technology Co., Ltd., founded in 1995, is professional China Deep Groove Ball Bearings manufacturers and custom Deep Groove Ball Bearings suppliers; and it’s noted for the brand NZSB. The headquarter takes up approximately 42.5 acres, owns 2 production bases in Ningbo(, Zhejiang) and Anhui and 4 production factories, and boasts 468 high-end automated production lines with an annual bearing productivity of 1 billion sets. Complied by “rotating with the world”, our company manufactures products featuring low noise, long lifespan, high speed and extreme precision. Besides,as famous OEM/ODM Deep Groove Ball Bearings factory, our products have been applied in a hybrid of fields like appliances, automobiles, industrial motors, textile machinery, high-speed vacuums, and exported to over 20 countries or regions as America, Germany, Japan, Singapore, etc.
Our company has worked diligently on precision bearing for over 20 years and fulfilled an increasing comprehensive strength. Capitalizing on advanced technology, product quality, production scale and fast response, we have been recognized by countless premium customers and built a friendly cooperative relationship with them in a long run. In appliances, we’ve established a long-lasting cooperative tie with well-known enterprises such as Midea Group, Gree Group, Dyson, Wolong Electric Group, Tongde Electric. In automobiles, we are one of the important suppliers of global renowned enterprises such as Nidec and Panasonic Group. According to Top 20 enterprises in the bearing industry by main business income in 2021 released by China Bearing Industry Association(CBIA), we ranked 14th , being one of the few enterprises mainly producing micro and small precision bearings in the list.

Industry Knowledge Extension

What Are Deep Groove Ball Bearings and How Do They Work?

Deep groove ball bearings are one of the most common types of ball bearings used in a variety of applications, including motors, pumps, and industrial machinery. They are designed to handle both radial and axial loads and consist of an inner and outer ring, a series of balls, and a cage that keeps the balls separated.
The inner and outer rings of a deep groove ball bearing have raceways, which are curved channels that guide the balls as they rotate. The balls are typically made of steel or ceramic and are held in place by a cage, which is usually made of brass, steel, or synthetic materials.
When the bearing is in operation, the balls roll along the raceways, creating a smooth, low-friction surface. This reduces the amount of energy required to rotate the bearing and helps to minimize wear and tear on the component.
Deep groove ball bearings are particularly effective at handling radial loads, which are forces that act perpendicular to the axis of rotation. They can also handle some axial loads, which are forces that act parallel to the axis of rotation. However, they are not ideal for high-speed or high-thrust applications, as they may generate excessive heat and wear.
Overall, deep groove ball bearings are reliable, efficient, and cost-effective components that are widely used in a range of industries.

How to Choose the Right Deep Groove Ball Bearing for Your Application?

Choosing the right deep groove ball bearing for your application requires consideration of several factors. Here are some steps you can follow to make an informed decision:
1. Determine the load requirements: Identify the type of load your bearing will need to handle, such as radial or axial loads, and the magnitude of the load. This will help you determine the appropriate size and type of bearing.
2. Consider the operating conditions: Take into account the operating temperature, speed, and environment in which the bearing will operate. This will affect the type of lubrication and material used in the bearing.
3. Choose the right size: Select the bearing size based on the shaft diameter and housing bore size. Consult the manufacturer's specifications to ensure the bearing can handle the required load.
4. Consider the bearing materials: The bearing's material should be selected based on its resistance to wear, corrosion, and temperature. Common materials include stainless steel, chrome steel, and ceramic.
5. Choose the appropriate lubrication: Consider the lubrication requirements for your bearing, as different lubricants offer varying benefits in terms of durability and temperature resistance. Some examples include oil, grease, and solid lubricants.
6. Check manufacturer's specifications: Review the manufacturer's specifications to ensure the bearing meets your specific requirements. Pay attention to load capacity, speed limits, and other performance characteristics.
By following these steps, you can choose the right deep groove ball bearing for your application, ensuring optimal performance and longevity.

What Are the Advantages of Using Deep Groove Ball Bearings?

Deep groove ball bearings are one of the most commonly used types of bearings in various industrial applications. Here are some advantages of using deep groove ball bearings:
1. Versatility: Deep groove ball bearings can accommodate radial and axial loads in both directions. They are suitable for a wide range of applications, including high-speed operations, high-temperature environments, and corrosive environments.
2. Low friction: The design of deep groove ball bearings reduces friction, which means they require less energy to operate and can help improve the overall efficiency of machinery.
3. Low noise: Deep groove ball bearings produce very little noise during operation, making them ideal for applications where noise reduction is important.
4. Durability: Deep groove ball bearings are made of high-quality materials and are designed to withstand heavy loads and high speeds. They have a long service life and require minimal maintenance.
5. Easy to install: Deep groove ball bearings are simple to install and require no special tools or expertise. They can be easily removed and replaced when necessary.
Overall, deep groove ball bearings offer a reliable and cost-effective solution for a wide range of industrial applications. Their versatility, low friction, low noise, durability, and ease of installation make them a popular choice for many industries.