Roller bearings generally have a larger load capacity

The roller needle roller bearing has a thick-walled outer ring, which is quenched at high temperature and high nitrogen. The rollers of high-precision sorting are guided by the ribs of the high-rigidity outer ring. Using linear contact, the roller can easily rotate directly on the raceway, and can withstand huge load. In order to remove the stress, the outer ring of the support roller is designed with a curved surface. With sealing ring, the grease storage space is large, it provides long-term lubrication of lithium-based grease, and prolongs the lubrication interval. The seals are made of skeletonized nitrile rubber or ST12 and have an operating temperature range of -30°C to +100°C or -30°C to +180°C. Close-mounted curved rollers can withstand heavier extreme loads and high-performance operation. From its name, you can guess what it looks like. The outer ring of the roller bearing adopts a full complement cylindrical roller bearing with a thick outer ring wall. The outer diameter of the roller has a cylindrical and arc shape, which can be It is designed to cooperate with the raceway surface according to the application. With this outer ring, the rollers can roll directly on the raceway and can withstand heavier loads and shock loads. Its advantages are that the coefficient of internal friction is small, so less energy is consumed to overcome friction, the fluidity of thin oil is good, it is easy to enter the friction surface of each lubrication point, and it has a good cooling effect. Metal particles generated by grinding are carried away. Its disadvantage is that the oil film cannot withstand large unit pressures and has high requirements for sealing. High-speed presses are generally lubricated with large-flow thin oil, which can take away the heat generated by each friction pair. Roller bearings generally have a large bearing capacity and can be applied to various support structures with limited installation sizes. Before the bearing is installed, an appropriate amount of grease is generally injected. Therefore, under normal circumstances, after the installation of the product is completed, the user does not need to add lubricating oil separately. The cover of the product is closed, which has achieved the function of sealing and can withstand sliding in a small axial environment. This product has a relatively long service life and is highly regarded by many users. As the support roller bearing of the same kind of bearing, it can also bear a higher load and can also bear the load pressure caused by external impact. However, the structure of this product is more compact and diverse, and the rotation accuracy during operation is relatively high. There are many varieties on the market, and it is relatively easy and simple to install. In the production process of modern enterprises, it is widely used in various industries, such as machine tools, metallurgy and other industries.

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