Description
In the field of industrial transmission, ball bearings, as key basic components, their performance and quality are directly related to the stable operation and efficiency of equipment. Our company focuses on the R & D and production of various types of RS deep groove ball bearings. With advanced technology and strict craftsmanship, we provide reliable transmission solutions for industrial partners worldwide.
Product Series and Model Coverage
Our RS deep groove ball bearings have a rich product matrix, covering various common models such as 626RS, 698RS, 608RS, 6002RS, etc. Moreover, we can customize special – sized bearings according to the equipment requirements of different industries. Whether you are a manufacturer of small precision instruments or a producer of large – scale industrial machinery, from the light – load and high – speed transmission of micro – equipment to the heavy – load and stable operation of heavy machinery, our RS ball bearings can be accurately adapted to create an efficient and stable transmission heart for the equipment.
Core Design and Performance Advantages
– Sealing Structure: The RS seal, as the iconic design of the product, adopts high – quality rubber sealing rings, which closely fit the inner and outer rings of the bearing. On one hand, it can effectively block the intrusion of external dust, water vapor, and impurities. Even in harsh working conditions such as dusty and humid environments (such as mining machinery, textile printing and dyeing equipment), it can create a clean environment inside the bearing, greatly reducing the risk of wear and failure caused by pollutants; on the other hand, the good seal can retain lubricating grease, reduce the frequency of lubrication maintenance, extend the service life of the bearing, and help the equipment achieve long – term stable operation.
– Structural Design: The deep groove ball structure is precisely designed, and the fit between the steel balls and the raceways is high, with balanced load – bearing capacity. Under radial load, the stress distribution is reasonable, which can effectively reduce friction loss and improve rotation accuracy. Whether it is the spindle of a high – speed running motor (such as a servo motor, a precision spindle unit) or an automated conveying equipment with strict requirements on speed and stability, it can demonstrate the performance advantages of low noise, high speed, and low vibration, ensuring the operation accuracy and work efficiency of the equipment.
Manufacturing Process and Quality Assurance
– Selection of Raw Materials: The key components of the bearing are made of high – quality bearing steel. Through strict material inspection, the mechanical properties such as hardness, toughness, and wear resistance are ensured to meet the standards. The steel has high purity and low impurity content, laying a foundation for the high performance of the bearing and ensuring the reliability of the product from the source.
– Precision Processing Flow: From the turning and grinding of the bearing rings to the grinding and assembly of the steel balls, the whole process follows high – precision processing standards. Advanced numerical control equipment and precision testing instruments work in coordination. The dimensional tolerance of the bearing rings is accurately controlled, the surface roughness of the raceways reaches the high standard of the industry, and the roundness error of the steel balls is extremely small. In the assembly process, the cleanliness and the fit of the seal are strictly controlled to ensure that each set of RS ball bearings has excellent performance when leaving the factory.
– Quality Inspection System: A multi – stage quality inspection system is established, covering incoming inspection of raw materials, sampling inspection during processing, and performance testing of finished products (including inspection items such as rotation accuracy, vibration and noise, sealing performance, and life simulation). With the help of professional testing equipment and a digital management system, a full – dimensional quality screening is carried out for each type of RS ball bearing, ensuring that the product quality is stable and reliable, meeting international industrial standards, and providing a consistent high – quality experience for global customers.
Application Fields and Industry Value
Our RS deep groove ball bearings are widely used in multiple industries:
– Electronics and Electrical Appliances: Provide light – load, high – speed, and low – noise transmission support for equipment such as micro – motors, printers, and vacuum cleaners, improve the user experience of end – products, and help home appliances and 3C products achieve efficient and stable operation.
– Mechanical Manufacturing: In machine tool spindles, conveying machinery, and packaging equipment, with high precision and high reliability, it ensures the processing accuracy and production efficiency of the equipment, and lays a solid foundation for mechanical manufacturing enterprises to reduce costs and increase efficiency.
– New Energy: Adapt to the transmission systems of wind power generation, photovoltaic equipment, etc., cope with the complex working conditions in the new energy field, and with stable performance, help the development of the green energy industry and promote the reliability upgrade of industry equipment.
In the future, our company will continue to deeply engage in the technology research and development of RS deep groove ball bearings, focus on industry needs and technology trends, expand the application boundaries of products, provide more competitive transmission solutions for industrial partners worldwide, and work together to create an efficient, intelligent, and reliable industrial future.

Sinomore is focus in the electric motor field, provide PM DC motor, BLDC motor, DC gear motor, universal motor and its CKD & SKD parts, as well as the motor assembly line, rotor assembly line and stator assembly line.
Our team members are full of enthusiasm for electric motor industry, based on more than 20years experience in motor production, we get to know well about this industry and supplying chain in China, we are committed to provide customers with a full package of solution to cost reduction effectively for motor production.
Working with Sinomore, Spend less, Quality better, High flexibility, More from China.

We support the customers who are in the filed of Home Appliances, Automobile, Automation, Power Tools, etc., provide the PMDC motor, BLDC motor, DC gear motor, universal motor, motor assembly line, stator assembly line and rotor assembly line. The motor can be delivered in complete set, SKD or CKD mode.With around 20years working experience in the electric motor field, provide professional consultation. With the enthusiasm for the job, response fast to customer, shorten customer’s communication time.









We provide both of fully automatic motor assembly line and stand-alone motor assembly line, including stator winding line, armature winding line, rotor assembly line, motor assembly line as well as automatic inspection system, cover all the field of household appliances, automobile, electric vehicle, hub motor, power tool, automation control, industrial equipment,etc.

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