LUMI Bearing | Precision Bearing Manufacturer
Lumi manufactures high-quality stainless steel ball bearings designed specifically for corrosive, humid, and hygienic environments.
Our stainless steel bearings are made from AISI 440C, 304, and 316 materials, offering excellent corrosion resistance, smooth operation, and reliable performance for a wide range of industrial applications.
Lumi stainless steel ball bearings feature precision raceway designs and are manufactured under strict quality control, resulting in low friction, stable running accuracy, and long service life. We offer a full range of sizes, sealing options (open, ZZ metal shields, and 2RS rubber seals), and lubrication solutions.
Lumi provides OEM/ODM customization services, including material selection, internal clearance control, seal design, and grease optimization, to meet specific performance and environmental requirements.
Lumi manufactures high-quality stainless steel ball bearings designed specifically for corrosive, humid, and hygienic environments.
Our stainless steel bearings are made from AISI 440C, 304, and 316 materials, offering excellent corrosion resistance, smooth operation, and reliable performance for a wide range of industrial applications.
Lumi stainless steel ball bearings feature precision raceway designs and are manufactured under strict quality control, resulting in low friction, stable running accuracy, and long service life. We offer a full range of sizes, sealing options (open, ZZ metal shields, and 2RS rubber seals), and lubrication solutions.
Lumi provides OEM/ODM customization services, including material selection, internal clearance control, seal design, and grease optimization, to meet specific performance and environmental requirements.
Inner Ring: The inner ring is precision-machined from stainless steel, featuring a smooth and accurately ground raceway. It ensures stable rotation and supports radial loads with consistent performance under corrosive or humid conditions.
Outer Ring: The outer ring is manufactured from corrosion-resistant stainless steel with a deep groove raceway design. It provides reliable support for radial loads and limited axial loads in both directions.
Balls: High-quality stainless steel balls are precisely matched to the raceways, ensuring uniform load distribution, reduced friction, and smooth operation across a wide speed range.
Cage: The cage accurately guides and separates the balls, maintaining consistent spacing and reducing friction and heat generation. This contributes to stable performance and extended service life.
Seals / Shields: Optional seals or shields protect the bearing from contaminants such as dust, moisture, and particles, further enhancing durability and reliability in demanding environments.
• Corrosion Resistance: Stainless steel ball bearings provide excellent resistance to corrosion caused by moisture, humidity, and mild chemicals. This makes them ideal for applications where standard chrome steel bearings may suffer from rust or surface degradation.
• Load Capacity: Compared to chrome steel bearings, stainless steel ball bearings generally offer slightly lower load capacity. However, optimized material selection and precision heat treatment ensure stable load performance for light to medium load applications.
• Speed Capability: Precision-ground raceways and high-quality rolling elements allow stainless steel ball bearings to operate smoothly at moderate to high speeds. Proper lubrication further enhances rotational stability and performance consistency.
• Noise & Running Stability: Advanced grinding and controlled manufacturing processes reduce vibration and noise during operation. Stainless steel ball bearings are well suited for applications requiring smooth, quiet, and stable performance.
• Service Life & Reliability: Under corrosive or humid conditions, stainless steel ball bearings typically offer longer service life and reduced maintenance compared to standard bearings. Their stable material properties ensure consistent performance over extended operating periods.
* Performance characteristics vary by stainless steel grade and operating conditions. Selecting the appropriate material ensures optimal bearing performance and service life.
A cost-effective stainless steel material providing a balanced combination of moderate hardness and corrosion resistance.
• High hardness and load capacity
• Good wear and corrosion resistance
• Suitable for high-speed and precision applications
Automation equipment, electric motors, and precision machinery.
A cost-effective stainless steel material providing a balanced combination of moderate hardness and corrosion resistance.
• Moderate hardness and wear resistance
• Better corrosion resistance than chrome steel
• Good balance between performance and cost
Light to medium load applications and general industrial equipment.
A corrosion-resistant stainless steel designed for applications where hygiene and environmental resistance are critical.
• Excellent corrosion resistance
• Good chemical stability
• Suitable for light-load applications
Food processing equipment, medical devices, and humid environments.
A premium stainless steel material offering superior resistance to saltwater and aggressive chemical environments.
• Outstanding corrosion resistance
• Reliable performance in marine & chemical environments
• Reliable operation in harsh conditions
Marine equipment, medical applications, and chemical processing systems.
A cost-effective stainless steel material providing a balanced combination of moderate hardness and corrosion resistance.
• High hardness and load capacity
• Good wear and corrosion resistance
• Suitable for high-speed and precision applications
Automation equipment, electric motors, and precision machinery.
A cost-effective stainless steel material providing a balanced combination of moderate hardness and corrosion resistance.
• Moderate hardness and wear resistance
• Better corrosion resistance than chrome steel
• Good balance between performance and cost
Light to medium load applications and general industrial equipment.
A corrosion-resistant stainless steel designed for applications where hygiene and environmental resistance are critical.
• Excellent corrosion resistance
• Good chemical stability
• Suitable for light-load applications
Food processing equipment, medical devices, and humid environments.
A premium stainless steel material offering superior resistance to saltwater and aggressive chemical environments.
• Outstanding corrosion resistance
• Reliable performance in marine & chemical environments
• Reliable operation in harsh conditions
Marine equipment, medical applications, and chemical processing systems.
