Stainless steel bearings are designed for applications requiring corrosion resistance, hygiene, and durability in challenging environments. Manufactured primarily from martensitic stainless steels such as AISI 440C or austenitic grades for enhanced corrosion performance, they offer good hardness, wear resistance, and stable dimensional accuracy. Compared to standard carbon steel bearings, stainless steel bearings provide superior resistance to moisture, chemicals, and oxidation, making them suitable for food processing, medical equipment, marine applications, and chemical industries. While their load capacity and hardness may be slightly lower than high-carbon chromium steel bearings, they deliver reliable performance in environments where corrosion protection and cleanliness are critical, reducing maintenance frequency and extending service life under corrosive conditions.
Range of external diameter: Below 300mm
Range of Internal diameter: 3mm to 100mm
Material: AISI/SUS 420 440 630 304 316
Corrosion resistance: Passed the 168H salt spray test.
Delivery time: 10-30 days
Experimental condition
experimental condition
Comaprion table of stainless No.
| GB | ASTM | JIS | DIN | Applcation |
| 1Cr17Ni7 | 301 | SUS301 | X12CrNi177 | Heat resistant,
Corrosion resistant, Various applications |
| 1Cr18Ni9 | 302 | SUS302 | X12CrNi188 | |
| Y1Cr18Ni10 | 303 | SUS303 | X12CrNiS188 | |
| 0Cr18Ni9 | 304 | SUS304 | X5CrNi189 | |
| 00Cr19Ni10 | 304L | SUS304L | X2CrNi189 | |
| 0Cr17Ni12Mo2 | 316 | SUS316 | X5CrNiMo1810 | |
| 0Cr17Ni1<mo2< span=”” style=”box-sizing: border-box;”></mo2<> | 316L | SUS316L | X2CrNiMo1810 | |
| 0Cr18Ni1<mo2cu2< span=”” style=”box-sizing: border-box;”></mo2cu2<> | SUS316JIL | |||
| 0Cr18 Ni10Ti | 321 | SUS321 | X10CrNiTi189 | |
| 0Cr19 Ni13Mo3 | 317 | SUS317 | X2CrNiMo1816 | |
| 0Cr19 Ni13Mo3 | 317L | SUS316L | ||
| 5Cr21Mn9Ni<n< span=”” style=”box-sizing: border-box;”></n<> | SUN35 | Manufacturing the engine,
intake, and exhaust valves. |
||
| 5Cr21Mn8Ni<2N | 21-2N | SUH37 | ||
| 2Cr21Ni12N | 21-12N | SUH37 | ||
| 0Cr18Ni11Nb | 347 | SUS347 | X10CrNiNb189 | High-pressure boiler tubes |
| GB | ASTM | JIS | DIN | Applcation |
| 1-6Cr13 | 410 | SUS410 | X10Cr13 | Tableware,
surgical instruments |
| 1Cr17Ni2 | 431 | SUS431 | X22Cr17Ni17 | |
| 7Cr17Ni10 | 440A | SUS440A | ||
| 9Cr18 | 440C | SUS440C | X105CrMoV17 | |
| 9Cr18Mo | 440C | SUS440C | ||
| 9Cr18MoV | 440B | SUS440B | X90CrMoV18 | |
| 4Cr9Si2 | HNV3 | SUS11,SUH1 | X90CrMoV18 | Manufacturing power engine |
Manufactured using high-quality stainless steel such as 440C, 304, or 316 (depending on application requirements).
Customer Value:
Strong resistance to moisture, humidity, and oxidation
Suitable for washdown and high-humidity environments
Reduced rust-related failures
Extended service life in corrosive conditions
Heat-treated martensitic stainless steel versions offer excellent hardness and fatigue strength.
Customer Value:
Stable load capacity under moderate to high loads
Reduced surface wear
Reliable long-term operation
Stainless steel material is ideal for environments requiring high cleanliness standards.
Customer Value:
Suitable for food-grade and medical environments
Easy cleaning and maintenance
Compliant with hygienic production systems
Corrosion resistance reduces premature failure caused by rust and contamination.
Customer Value:
Longer maintenance intervals
Reduced downtime
Lower total cost of ownership
Capable of operating in humid, wet, and chemically exposed environments.
Customer Value:
Reliable performance in outdoor or marine applications
Suitable for chemical processing environments
Stable performance under temperature variations
Available with:
Open, shielded, or sealed designs
Food-grade grease options
Polymer or stainless cages
Customized dimensions
Customer Value:
Precise matching to application requirements
Improved equipment integration
Enhanced competitiveness in end markets
Conveyor systems
Filling and packaging machines
Bakery and beverage production lines
Application Benefit:
Corrosion resistance and hygienic design ensure safe and reliable operation in washdown environments.
Diagnostic devices
Laboratory automation systems
Sterilization equipment
Application Benefit:
Clean operation and resistance to cleaning agents support strict hygiene standards.
Deck machinery
Pumps and winches
Navigation systems
Application Benefit:
Resistance to saltwater corrosion extends service life in coastal and offshore conditions.
Mixing equipment
Reactors
Pump systems
Application Benefit:
Stable performance under chemical exposure and humid environments.
High-speed spindles
Rollers and guide systems
Application Benefit:
Smooth rotation and corrosion resistance improve operational stability.
Irrigation systems
Environmental monitoring devices
Application Benefit:
Reliable performance in moisture-prone and outdoor environments.
VKUKEN has over 30 years of experience in bearing design and manufacturing. We can customize non-standard bearings according to customer drawings, or we can measure and create drawings of existing bearings on-site and then manufacture custom bearings based on those drawings. Our team of professional engineers has over 20 years of experience in bearing design and measurement.
We have found that many people would like to learn about the application technology and selection of Bearing but do not have suitable materials to read. Our team of engineers constantly exports technology on our download page and blog, which you can download for free.
Hi, I am Maxwell, I am an engineer in the field of bearing applications. I majored in mechanical and electromechanical engineering during college. After graduation, I worked for the top three "SKF" bearing companies in the world for ten years , during which I went to dozens of customers in different industries to help them solve problems in bearing applications; later I joined VKUKEN Bearing Manufacturing, and I will share bearing technical knowledge on this website from time to time. If you are a customer Please contact me to help you solve your problem; if you are also a technical expert in bearings, I am very willing to exchange technical knowledge about bearings with you.
