Bearing Material (inner race, outer race, balls) | Wuxi LOTTON Bearing Manufacturing Co., Ltd.

May 23, 2024

Strict quality inspection for Wuxi LOTTON Bearing Manufacturing Co., Ltd.  will be carried out. The product will be checked for cracking of the stitching, the security of the accessories if any, seaming strength, and durability.


1.What is the bearing warranty?
We warranty our materials and workmanship. Our commitment is to your satisfaction with our products. In warranty or not, it is the culture of our company to address and resolve all customer issues to everyone’s satisfaction
2.Does LOTTON bearing offer custom or made-to-order bearings?
"Yes," LOTTON Bearing has the ability to have many types of specialty bearings (not listed in our catalog) manufactured to your specifications.
3.How much is the registered capital?
Established in 2001, registered capital of 960,000 US dollars.


1.We provide OEM service and establish long term business relations with some international well-known enterprises, and the cooperation become better and better.
2.With excellent technical research and development team, professional product devel-opment capability, high- end testing center, first- class industry customers, multiple qualification certifications
3.Main products include various ball bearings, roller bearings
4.We have a large, well-stocked warehouse,and provide international deliveries to 35 countries around the world, such as in Europe, Asia, North America, etc.

About Wuxi LOTTON Bearing Manufacturing Co., Ltd.

Wuxi LOTTON Bearing Manufacturing Co., Ltd. was founded in 2001, registered capital of 960000 US dollars. “LOTTON” is our brand and logo, the logo “LOTTON” means to open the door of the world. Since 2001, WUXI LOTTON has accumulated nearly 20 years’ bearing innovation and production. During these years, LOTTON persists with "quality first, innovation win, service first" as purpose; "The pursuit of perfect quality, create first-class brand" as management policy, promoting the brand strategy. Our company WUXI LOTTON is located in the most beautiful place in China - WUXI. And it is close to Shanghai so that it is convenient for our clients to visit our company. LOTTON mainly producing all kinds of roller bearings, such as spherical roller bearing for CC, CA type, MB type. Also, we have foreign technology, such as E, and E1 types. Our company has 100 workers, in order to promote technical, we invite some German and Japanese engineers, making our all production to use the high technology, and improving the quality day by day. And we have the high precision production equipment, for producing the bearings that can replace the world famous brand bearings in order to meet the clients’ great demands. In 2011, the 10th anniversary of LOTTON, we built a factory in Wafangdian, specializing in the production of large size bearing.After 20 years of efforts, our spherical roller bearings, ball bearings and auto bearings are export to southeast Asia, Europe, South America, North Americe


Modern industrial bearings have been made in a hardened type of steel (chromium) for many years and are by far the most popular material type in all applications today. All of the major manufacturers use steel as the de facto standard offering. All elements of the bearing (inner races, outer races and balls) are ground to produce a very smooth running track that allows the balls to rotate freely. Standard steel bearings have a useful characteristic in that they respond well to micro damage, they simply bed in some more with running. The friction does increase but it does not prevent a seizure

Stainless Steel

Stainless steel is used as a material when the bearing is likely to be attacked by substances or when the ultimate in cleanliness is required (food/medical industry). Stainless steel is much softer than chrome steel. From a rolling perspective, they have more friction than standard chromium steel bearings. Stainless steel bearings have an unwanted habit of going through a failure mechanism called galling, this is where the material micro delaminates and causes pitting, which generates more heat and eventually causes a seizure. On a bike, this is not a recommended material as the ingress of dirt can cause premature galling. They also have higher rolling friction coefficient.

Ceramic Bearings

Fully ceramic and hybrid ceramics have been popularized by companies like Enduro and Ceramicspeed. These bearings give good initial low friction but have an extremely poor life. They are really only fast for 500-600km. Check out the bearing performance chart. The material characteristics mean that these bearings are inherently brittle. Despite claims that the balls are rounder and therefore faster, the fact is the standard bearings are plenty round enough and do not destroy themselves. Ceramic bearings are extremely expensive.

Bearing cage material

The bearing cage is a guide piece that holds the balls in that separates the inner and outer races. It has light contact with the balls.

Bearing cages in small bearings are generally made in two types. Either a pressed metal cage or an injection moulded plastic cage. At the time of writing SKF and Koyo were using injection moulded cages whilst INA, NTN, NSK, Nachi were using metal cages. From a performance perspective, the plastic cages make the bearings slightly lighter but compromise with a reduced life.

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