These suffixes mean "with 1 or 2 rubber seals". At 123Roulement, we use the number "2" to specify when the bearing is sealed on both sides.

1. Regular inspection and cleaningRegular inspection of self-aligning ball bearings is the basis for ensuring their operating efficiency. When inspect...

How to detect faults in spherical sealed spherical roller bearingsListening inspectionNoise analysis: Listening inspection is a common method for dete...

Ningbo Sanya Bearing Co., Ltd. is a professional China Deep Groove Ball Bearings Manufacturers and OEM/ODM Deep Groove Ball Bearings Suppliers.And it established in 1994 stands right at the prime location of the Yangtze River Delta. Specialized in the production of high-quality deep groove ball bearings and insert bearings. It has emerged as a modern company integrating product development, design, manufacturing, sales and service. It can produce bearings with an inner diameter of 3mm to 100mm and customize various non-standard Custom Series 6000 Two Contact Seals Deep Groove Ball Bearing with highly-automated equipment, stable quality, and complete testing methods ensuring the quality of its products. With the vigorous development of the foreign trade department, our business in bearing production and sales in 2018 far exceeded 20 million US dollars, and the products were sold in more than 50 countries and regions.

This suffix indicates that the bearing is designed for very high operating temperatures. In general, the temperature is indicated after this suffix.Beware, these bearings are not suitable for all applications, and will require a high temperature for optimum service life.

Deep groove ball bearings are one of the most widely used bearings in various industries due to their simple structure and versatile functions. Deep groove ball bearings consist of inner and outer rings, cages and rolling elements. The rolling elements in the bearing are usually spheres, which are fixed in the correct position by the cage. In addition, deep groove ball bearings are equipped with seals or dust covers to protect the inside of the bearing from contaminants. The so-called "deep groove" refers to the depth of the raceway grooves in the inner and outer rings, which can accommodate the balls and enable them to run smoothly. This design not only enables the bearings to withstand radial loads, but also axial loads within a certain range, so they perform well in various applications.Another important feature of deep groove ball bearings is their low friction and high speed capabilities. This makes them very suitable for applications that require high speed operation and long life. For example, in the automotive industry, deep groove ball bearings are widely used in wheels, transmissions and engines. Their low friction characteristics help reduce fuel consumption and extend the service life of vehicles. Likewise, in industrial machinery, these bearings are used in a variety of rotating equipment, such as motors, compressors, and pumps, to improve the efficiency and reliability of the equipment.Deep groove ball bearings are relatively simple to maintain because they are usually pre-lubricated, and many models are equipped with sealing devices that can effectively prevent the leakage of lubricants and the ingress of external contaminants. This design reduces maintenance costs and extends the service life of the bearings.

The Deep Groove Ball Bearing, known as 6307-2RS-NR Generic, has an inner diameter of 35 mm, an outer diameter of 80 mm and a thickness of 21 mm.

The Deep Groove Ball Bearing, known as 6307-2RS-NR Generic, has an inner diameter of 35 mm, an outer diameter of 80 mm and a thickness of 21 mm.

A stainless steel bearing is generally magnetizable, as it is made from AISI 420 stainless steel, which is harder and more shock-resistant than standard stainless steel (AISI 304).To check whether your bearing is made of stainless steel, simply read the reference engraved on the side of the bearing. This reference should begin with the prefix "S" meaning "Stainless Steel".

1. Selection of hard materialsDesign features: Thrust hard cylindrical roller bearings use high-hardness materials to manufacture rollers and raceways...

Ningbo Sanya Bearing Co., Ltd. was established in 1994 and is located in the core area of ​​the Yangtze River Delta. It enjoys a high reputation in the bearing industry for its high-quality products. In particular, its 6000 series double contact sealed deep groove ball bearings are highly regarded for their excellent sealing performance and durability. These bearings are designed to provide an excellent seal, effectively preventing external contaminants such as dust, dirt and moisture from entering the bearing, significantly extending the service life of the bearing.The double contact seal structure of the 6000 series bearings is a distinctive feature. Double contact seal means that the bearing is equipped with two contact seal rings. These seal rings can not only prevent contaminants from entering, but also effectively retain the lubricant inside the bearing, thus ensuring the long-term stable operation of the bearing. This design is particularly suitable for applications that operate in harsh operating environments, such as agricultural machinery, construction equipment and outdoor equipment, where bearings are often exposed to higher risks of dust and moisture.Ningbo Sanya Bearing Co., Ltd. not only focuses on quality in product design, but also implements strict quality control measures during the production process. The company has introduced advanced manufacturing equipment and testing instruments to ensure that each batch of bearings meets or exceeds industry standards. In addition, Ningbo Sanya also pays attention to the selection of raw materials. The combination of high-quality steel and precision processing technology makes the bearings it produces have higher strength and wear resistance.As the global market's demand for high-performance bearings continues to increase, Ningbo Sanya Bearing Co., Ltd. has continued to expand its production capabilities and is committed to technological innovation to meet customers' customized needs. Whether in the field of OEM (original equipment manufacturing) or ODM (original design manufacturing), Ningbo Sanya has won widespread recognition and trust from customers for its reliable product quality and excellent service.

These suffixes indicate that the cage (the part of the bearing that holds the balls apart) is made of polymer material. Usually made of glass-fiber-reinforced polyamide.

Means "increased internal clearance". Often referred to as high-speed, this means that the bearing is designed for high rotational speeds and moderately high temperatures. CAUTION: a bearing with increased internal clearance will not operate optimally at low speeds. Please refer to the data sheet for the bearing you are looking for to find out its rotation speed limit.

Choosing Ningbo Sanya Bearing Co., Ltd. as your deep groove ball bearing supplier is not only choosing a product, but also choosing a reliable partner. Since its establishment in 1994, Ningbo Sanya Bearing Co., Ltd. has developed into one of the world's leading bearing suppliers with nearly three decades of industry experience. The company is located in the Yangtze River Delta, an industrial center in China, with a superior geographical location, which provides unique conditions for efficient logistics and high-quality raw material supply.Ningbo Sanya Bearing Co., Ltd. is committed to providing customers with high-performance, high-quality deep groove ball bearings, and its products are widely used in many fields such as automobiles, industrial equipment, and household appliances. The company is not only able to produce standard models of bearings, but also provide customized solutions according to customers' special needs. This flexibility enables Ningbo Sanya to meet the diverse needs from different markets around the world, thereby occupying a place in the highly competitive international market.Ningbo Sanya also attaches great importance to customer experience, and provides customers with all-round support from product consultation to after-sales service. The company has a professional technical team that can provide customers with timely and accurate technical guidance and problem solutions. At the same time, the company also ensures that its products are always at the leading level in the industry through continuous technological innovation and process improvement. Because of this, Ningbo Sanya has won long-term cooperation with many domestic and foreign customers, including many well-known OEM customers and internationally renowned brands.

The Deep Groove Ball Bearing, known as 6307-2RS-NR Generic, has an inner diameter of 35 mm, an outer diameter of 80 mm and a thickness of 21 mm.

The ABEC standard is used to classify bearings according to their machining tolerance. This standard is regularly called into question because it does not include certain technologies that are important for guaranteeing proper operation, both in terms of efficiency and bearing life.123Roulement therefore makes little use of this standard.

Image

Some bearings are available with more or less important variants (high or low internal clearance, special grease, very high temperature, etc.). These variants are systematically indicated by prefixes and suffixes in the part number.For example, the suffix "2RS" means that the bearing is splash-proof, thanks to a sealing flange on both sides of the bearing.The suffix "C3" means that the bearing has increased internal clearance, and will require a higher operating temperature, or a higher rotation speed.

These suffixes mean "with 1 or 2 sheet metal deflectors", for dust-tightness. At 123Roulement, we specify whether the bearing is sealed on 2 sides with "ZZ".

Image