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Miniature 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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about NZSB ™

Ningbo Silver-ball Technology Co., Ltd., founded in 1995, is professional China Miniature deep groove ball bearings manufacturers and custom Miniature 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 Miniature 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

How are miniature deep groove ball bearings different from standard ball bearings?

Miniature deep groove ball bearings are a type of ball bearing that are smaller in size compared to standard ball bearings. The main differences between miniature deep groove ball bearings and standard ball bearings are:
1. Size: Miniature deep groove ball bearings are smaller in size compared to standard ball bearings. Typically, miniature deep groove ball bearings have an outer diameter of less than 22mm.
2. Load capacity: Due to their smaller size, miniature deep groove ball bearings have a lower load capacity compared to standard ball bearings. They are designed to handle lighter loads and are suitable for applications where space is limited.
3. Speed: Miniature deep groove ball bearings have a higher speed capability compared to standard ball bearings. This is because the smaller size reduces centrifugal forces and allows for higher rotational speeds.
4. Precision: Miniature deep groove ball bearings are often made to higher precision standards compared to standard ball bearings. This is because they are commonly used in precision applications, such as miniature motors and instruments.
Overall, miniature deep groove ball bearings are designed for applications where space is limited and high precision is required. They are commonly used in small electric motors, miniature robots, and other miniature machinery.

What are the design features of miniature deep groove ball bearings?

Miniature deep groove ball bearings are designed to provide high precision and reliability in small, compact applications. Here are some of the design features that are typically incorporated in miniature deep groove ball bearings:
1. Small size: These bearings are designed to be very small and compact, with outer diameters typically ranging from 1mm to 30mm.
2. Deep groove geometry: The inner and outer rings of miniature deep groove ball bearings have a deep groove geometry that allows them to support radial and axial loads.
3. High precision: These bearings are designed to provide high precision, with tight tolerances and low noise levels.
4. Low friction: The design of miniature deep groove ball bearings includes low-friction seals and grease that helps to reduce friction and prolong the life of the bearing.
5. Material selection: The materials used in the construction of miniature deep groove ball bearings are chosen for their strength, durability, and resistance to wear and corrosion.
6. Cage design: The cage that holds the rolling elements in place is designed to ensure smooth operation and minimize wear.
Overall, the design features of miniature deep groove ball bearings are intended to provide high performance in a small package, making them ideal for use in a wide range of applications, including medical devices, robotics, and precision instruments.

What are the factors that affect the lifespan of miniature deep groove ball bearings?

The lifespan of miniature deep groove ball bearings can be influenced by various factors, including:
1. Load capacity: The load capacity of the bearing determines how much weight it can carry. If the load exceeds the capacity, it can cause premature failure of the bearing.
2. Speed: The rotational speed of the bearing can also affect its lifespan. The higher the speed, the more stress is placed on the bearing, which can lead to wear and tear.
3. Lubrication: Proper lubrication is critical for the smooth operation of bearings. Inadequate lubrication can cause friction and heat, which can lead to premature wear and tear.
4. Temperature: The temperature at which the bearing operates can also impact its lifespan. Extreme temperatures can cause the bearing to expand or contract, which can lead to premature failure.
5. Contamination: Dirt, dust, and other particles can contaminate the bearing and cause damage, which can lead to premature failure.
6. Material: The material used to manufacture the bearing can also affect its lifespan. High-quality materials that are durable and resistant to wear and tear can last longer than lower-quality materials.
7. Installation: Proper installation of the bearing is essential to ensure its longevity. Improper installation can cause misalignment and other issues that can lead to premature failure.
Overall, the lifespan of miniature deep groove ball bearings is determined by a combination of these factors, and it is essential to consider each of them to ensure that the bearing operates smoothly and lasts as long as possible.