Premium Stainless Steel Bearing Specialist
20 years specializing in R&D and production of stainless steel bearings, exported to 50+ countries worldwide, offering you the most reliable bearing solutions.
Product Parameters
Stainless steel bearings are mainly made of 304, 316 and other stainless steel materials, with excellent corrosion resistance. According to different structures, they can be divided into deep groove ball bearings, angular contact bearings, thrust bearings, etc. Stainless steel bearings feature corrosion resistance, high temperature resistance, and high strength, making them suitable for special environments such as food, medical, and chemical industries.
| Product Code | Material | Inner Diameter(mm) | Outer Diameter(mm) | Width(mm) | Speed(rpm) |
|---|---|---|---|---|---|
| RANUR-SS1 | 304Stainless Steel | 2-80 | 5-125 | 2-17 | 4550 |
| RANUR-SS2 | 316Stainless Steel | 5-80 | 13-170 | 4-14 | 3000 |
| RANUR-SS3 | 440CStainless Steel | 2-75 | 5-105 | 2-14 | 9900 |
| RANUR-SS4 | 420Stainless Steel | 2-75 | 5-105 | 2-14 | 7000 |
| RANUR-SS5 | 316LStainless Steel | 5-80 | 13-170 | 4-14 | 3000 |
Product Performance Parameters
Stainless steel bearings feature excellent corrosion resistance, high temperature resistance and mechanical strength, capable of stable operation in harsh environments such as humidity, acids and alkalis, and are widely used in food processing, medical devices, chemical equipment and other fields.
| Physical Performance Indicators | Parameter Value |
|---|---|
| Density | 7.9-8.0 g/cm³ |
| Hardness | HRC 58-62 |
| Elastic Modulus | 190-210 GPa |
| Thermal Expansion Coefficient | 16-18×10⁻⁶/°C |
| Thermal Conductivity | 15-20 W/(m·K) |
| Tensile Strength | 520-860 MPa |
| Yield Strength | 210-450 MPa |
| Elongation | 40-60% |
| Fatigue Limit | 240-340 MPa |
| Service Life | 2-3 times that of ordinary bearings |
| Environmental Performance Indicators | Parameter Value |
|---|---|
| Operating Temperature | -60°C-+300°C |
| Corrosion Resistance Grade | Grade 10 (Highest) |
| Acid and Alkali Resistance | Excellent |
| Salt Spray Resistance | 1000 hours without rust |
| Seawater Resistance | Excellent |
| Steam Resistance | Excellent |
| Food Grade Certification | FDA Certification |
| Medical Grade Certification | FISO 13485 |
| Self-Lubricating | Self-lubricating models available |
| Wear Resistance | Excellent |
Comparison Between Stainless Steel Bearings and Traditional Bearings
Stainless steel bearings can meet the needs of special working conditions due to their excellent corrosion resistance, hygienic performance and mechanical strength, making them an ideal replacement for traditional carbon steel bearings.
| Performance Indicators | Stainless Steel Bearings | Traditional Carbon Steel Bearings |
|---|---|---|
| Corrosion Resistance | Extremely strong (resistant to acids, alkalis and salts) | Prone to corrosion |
| Hygienic Performance | Food Grade, Medical Grade | Not suitable for hygienic environments |
| Maximum Operating Temperature | Up to 300°C | About 150°C |
| Service Life | 2-3 times that of carbon steel bearings | General Service Life |
| Food Grade or Not | Yes, FDA certified | No |
| Maintenance Requirements | Low Maintenance | Require Regular Maintenance |
| Application Environment | Humid and Corrosive Environments | Dry Environments |
Our Advantages
Choosing Rangyun Stainless Steel Bearings means more durability, better hygiene and higher reliability.
Professional Technical Team
We have an R&D team composed of more than 20 experts in materials science and mechanical engineering, focusing on innovation and breakthroughs in stainless steel bearing technology. All team members come from well-known universities and research institutions at home and abroad, with rich theoretical knowledge and practical experience.
Advanced Production Equipment
We have introduced the most advanced stainless steel bearing production lines and testing equipment from Germany and Japan, including high-precision CNC grinding machines and heat treatment furnaces, ensuring that product precision and quality reach internationally leading levels.
Excellent Product Performance
Our stainless steel bearings use high-purity raw materials and unique processes, featuring excellent characteristics such as corrosion resistance, high temperature resistance and high strength, with performance far exceeding traditional bearings.
Customized Solutions
We provide customized products and services according to customers' special needs, offering one-stop solutions from material selection, structural design to performance optimization.
Success Cases
Rangyun Stainless Steel Bearings have brought outstanding performance and significant benefits to numerous customers.
Food Processing Equipment Case
Provided Rangyun stainless steel bearings for processing equipment of a large food enterprise, solving the problems of traditional bearings being prone to corrosion and failing to meet hygiene standards, while fulfilling food-grade requirements.
Medical Device Case
Provided medical-grade stainless steel bearings for a medical device company, meeting sterilization requirements and improving equipment reliability and service life.
Chemical Equipment Case
Provided corrosion-resistant stainless steel bearings for a chemical enterprise's reaction kettle, solving the problem of bearings being easily damaged in strong acid and alkali environments.
Marine Equipment Case
Provided seawater-resistant stainless steel bearings for marine engineering equipment, solving the problem of bearing corrosion in high-salt fog environments.
Pharmaceutical Equipment Case
Provided sanitary-grade stainless steel bearings for production equipment of a pharmaceutical enterprise, meeting GMP certification requirements.
Water Treatment Equipment Case
Provided corrosion-resistant stainless steel bearings for a water treatment enterprise, solving the problem of bearing corrosion caused by long-term underwater operation.