ZKBM GROUP

Stainless Steel Deep Groove Ball Bearing 

Stainless Steel bearing material

As a standard structure of stainless steel bearings, ring and rolling body material USES AISI SUS440C (9 cr18mo or 9 cr18) by the vacuum quenching tempering treatment, cage and seal skeleton materials adopt AISI304 or AISI316, accuracy of ISO standard ABEC - 5, Z3 group vibration level.

Main material is divided into: Martensitic  stainless steel stainless steel bearing: 9 CR18, 9CR18mo, AISI440C, austenitic stainless steel: AISI304, AISI316.

Benefits of Stainless Steel Bearings

1.Wash Down Safe : Stainless steel bearings resist the harsh wash down environment found in food-processing plants.

2.High Temperatures : Stainless steel bearings can withstand commercial oven temperatures that can exceed 650o F.

3.Corrosion Resistance : Stainless steel bearings are resistant to water and special grades of rust proof steel are also available for special marine or medical applications.

Stainless Steel Properties

Stainless steel is a steel alloy with a minimum of 10.5% chromium content. Stainless steel will not easily corrode or rust as ordinary steel does. However stainless steel is not fully stain-proof under low-oxygen, high-salinity, or poor-circulation environments. There are different grades and surface finishes of stainless steel to suit the environment the alloy must endure.

Stainless steel differs from carbon steel by the amount of chromium present. Unprotected carbon steel rusts readily when exposed to air and moisture. Stainless steels contain sufficient chromium to form a passive film of chromium oxide, which prevents further surface corrosion by blocking oxygen diffusion to the steel surface and blocks corrosion from spreading into the metal's internal structure.

Stainless Steel Types

There are different types of stainless steels: when nickel is added, for instance, the austenite structure of iron is stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures. For greater hardness and strength, more carbon is added.

Austenitic stainless steels have an austenitic crystalline structure, which is a face-centered cubic crystal structure. The most widely used austenite steel is the 304.The second most common austenite steel is the 316 grade, also called marine grade stainless, used primarily for its increased resistance to corrosion.

Martensitic stainless steels are not as corrosion-resistant as the other two classes but are extremely strong and tough, as well as highly machinable, and can be hardened by heat treatment. Stainless Steel 440C Series contains a martensitic-type stainless steel used extensively in bearing applications that require hardness, dimensional stability, corrosion resistance and toughness. Stainless Steel does contain some carbon so it is still slightly magnetic.

Applications

Stainless steel’s resistance to corrosion and staining, low maintenance and familiar lustre make it an ideal material for many applications. The alloy is milled into bearings to be used in applications requiring corrosion resistance from fresh water, steam, crude oil, gasoline, perspiration, alcohol, blood and food stuffs. Everything from medical devices to food processing plants require stainless steel bearings that can withstand wash-downs, sterilization and steam cleaning.

bout ZKBM

Since 1995, ZKBM has been committed to providing customers with high-quality bearings, its brand "ZKBM" production, export of more than 30 series of bearings, widely used in automotive, agriculture, industry, transportation, 3D printing, Internet of Things intelligent equipment, robotics and other fields. Products exported to the United States, Iran, Germany, Turkey, India and other more than 60 countries and regions.

The group always upholds the true high-tech technical quality, to ensure the quality of products reliable, has passed the German TUV, ISO 9001 and other certification systems, shaft not only can meet customer standard bearing supply, but also can provide a special solution in line with customer design drawings. For many years, ZKBM has been supporting for many Germany Suppliers by processing services, and built long-term cooperation with them.

At present, ZKBM has warehouses in Shanghai, Shandong, Jiangsu China with the most comprehensive inventory of precision bearings and accessories, the company headquartered in Shanghai, the global financial and trade center, which means that we can guarantee the shortest delivery time.

Email: andy@zkbmbearing.com
Telephone: 86-15895327737
Fax: 86-021-39525691
Website:  www.zkbmbearing.com

Address: Bearing Industrial Park, Linqing City, Shandong