What is "Quest" is called "Quest", which is the "exploration and pursuit" of high performance and reliability. This is a new trademark marked on the high performance bearings for NACHI industrial machinery. This type of product condenses the company's accumulated technology in materials, machining and lubrication, providing users with high rigidity, durability, low noise and environmental performance, and the world's top quality bearings.
Brand brief of roller bearings NACHI
Founded in 1928, NACHI has been committed to the development of mechanical technology and machinery manufacturing since its inception. The main factory is located in Toyama, Japan. It also has production bases in North America, South America, Europe and Asia. It has established representative offices and sales outlets around the world to quickly and accurately grasp the market trends and effectively meet the wishes of customers.
Contribute to the development of manufacturing
Field of involvement
3 major machinery manufacturing businesses including machine tools, functional parts, and materials
Product of roller bearings NACHI
Its products mainly include: special steel, cutting tools, bearings, hydraulic devices, robot systems, cutting tools, machine tools, bearings, hydraulic equipment, robots for automated production, special steel, ultra-precision machinery for the IT industry and its environmental systems.
Etc., among them, NACHI Bearing is one of the four famous bearing brands in Japan.
Advantage of roller bearings NACHI
(1) Reduce friction and wear.
In the mutual contact portion of the ferrule, the rolling element and the retainer constituting the bearing, metal contact is prevented, and friction and wear are reduced.
(2) Extend the fatigue life.
The rolling fatigue life of the bearing is prolonged when the rolling contact surface is well lubricated during rotation. Conversely, if the oil viscosity is low and the thickness of the lubricating oil film is not good, it is shortened.
(3) Discharge friction heat and cool.
The circulation oil supply method or the like can be used to discharge heat generated by friction or heat from the outside, and to cool. Prevent the bearing from overheating and prevent the lubricant from aging itself.
Bearing function of roller bearings NACHI
In terms of its role, it should be support, that is, literal interpretation is used for the bearing shaft, but this is only part of its function, and its essence is to be able to bear the radial load. It can also be understood that it is used to fix the shaft. It is the fixed shaft that allows it to only rotate and control its axial and radial movement. The consequence of the motor without bearings is that it does not work at all. Because the shaft can move in any direction, and the motor requires the shaft to rotate only when it is working. In theory, it is impossible to realize the function of the transmission. In addition, the bearing will also affect the transmission. In order to reduce this effect, good lubrication must be achieved on the bearings of the high-speed shaft. Some bearings have been lubricated, called pre-lubricated bearings. Most of the bearings must have lubricating oil. When the load is running at high speed, the friction will not only increase the energy consumption, but even more terrible is that it is easy to damage the bearing. The idea of turning sliding friction into rolling friction is one-sided because there is something called a sliding bearing.
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