Ball and Roller Bearings

Miniature & Instrument Ball Bearings, manufactured by MinebeaMitsumi Aerospace companies, are high-precision bearings utilized in small, highly sensitive mechanical assemblies and other applications where high speeds, low torque, and reduced noise & vibration are primary concerns. Products include standard catalog bearings, specialty designs for ultra-high-speed operation (500,000 rpm), duplex and super duplex bearings, and custom solutions for demanding applications.

SPECIAL DESIGN FEATURES

• High precision (ABEC-5 -7 -9) manufacturing
• Specialized corrosion- and heat-resistant ring materials
• High-grade steel/ceramic balls and special ball coatings
• Molded/machined steel & thermoplastic cages
• Premium synthetic oil and dry film lubricants
• Integrated features for optimized form, fit and function
• Specialized, high-precision manufacturing processes

Precision Ball Bearings manufactured by MinebeaMitsumi Aerospace companies are designed for use in medium to large mechanical systems, such as APU’s, aero-engine main shafts, helicopter transmissions, and many other applications with demanding performance requirements. A majority of the products we manufacture are nonstandard solutions containing special features that satisfy a variety of mounting and operating conditions. We also supply more complex precision ball bearing solutions, such as super duplex bearings, combination ball and roller bearings, and integral gear/ball bearing assemblies.

SPECIAL DESIGN FEATURES

• Radial, Angular Contact, Gothic Arch Ring Configurations
• Specialized corrosion- and heat-resistant ring materials
• Advanced alloys suitable for case-hardening
• High-grade steel and ceramic rolling elements
• Durable cage designs from advanced alloys & thermoplastics
• Integrated features for optimized form, fit and function
• Specialized, high-precision manufacturing processes

Thin Section Ball Bearings, manufactured by MinebeaMitsumi Aerospace companies, are utilized in mechanical systems where bearing size and weight must be kept to a minimum and when high accuracy, high stiffness (less deflection), and low friction are required. Targeted applications include accessory gearboxes, power control actuators, helicopter swash plates, high lift actuators, and space cargo capsule applications. The full product series includes standard catalog items, more complex assemblies like integral duplex thin section bearings and tapered thin section roller bearings, and completely custom engineered solutions.

SPECIAL DESIGN FEATURES

• High precision (ABEC-5 -7 -9) manufacturing
• Numerous ring configurations, including Gothic Arch
• Specialized corrosion- and heat-resistant ring materials
• High-grade steel/ceramic balls and special ball coatings
• Molded & machined cages made of high temp. alloys and thermoplastics
• Proprietary synthetic oil, grease and dry film lubricants
• Integrated features for optimized form, fit and function
• Specialized, high-precision manufacturing processes

Complex Ball and Roller Bearing Assemblies manufactured by MinebeaMitsumi Aerospace companies are custom designed for small to large high-performance mechanical systems, such as aero-engine main shafts, APU’s, and helicopter transmissions. These highly engineered solutions meet demanding bearing performance criteria and fulfill a wide range of additional mechanical requirements, such as reduced vibration and noise, optimized lubricant distribution and scavenging, ease of installation/disassembly, and precise bearing positioning. Bearing engineering, prototyping, and testing are accomplished through a collaborative process between our experienced applications engineers and our customer’s product design and engineering teams. The result is a sophisticated bearing that meets the customer’s needs, exactly.

SPECIAL DESIGN FEATURES

• Diverse ball and roller ring configurations
• Specialized corrosion- and heat-resistant ring materials
• Advanced alloys suitable for case-hardening
• High-grade steel and ceramic rolling elements
• Rugged cages made from high-temperature alloys & thermoplastics
• Integrated features for optimized form, fit and function
• Specialized, high-precision manufacturing processes

Hybrid ceramic bearings are an excellent choice for a wide range of high-performance precision mechanical systems, mainly when weight, oil-off conditions, noise and vibration, and extremely high operating speeds are primary considerations. MinebeaMitsumi Aerospace companies are leading developers and manufacturers of hybrid ceramic bearing solutions for critical aerospace applications. CEROBEAR, in particular, is a renowned authority on advanced ceramic material technology and a leading manufacturer of Hybrid Roller Bearings of many different roller sizes, shapes, and crown profiles. The ability to engineer a premium, light-weight solution is a shared capability throughout the group, so hybrid ceramic bearings are an alternative design option for all of our rolling element products, wherever they are manufactured.

SPECIAL DESIGN FEATURES

• Diverse ball and roller ring configurations,
• Specialized corrosion- and heat-resistant ring materials
• Light weight yet durable designs made of advanced thermoplastics
• Integrated special features for optimized form, fit and function
• Specialized, high-precision manufacturing processes

MinebeaMitsumi Aerospace companies offer customers several avenues for outsourcing the production of Precision Mechanical Subassemblies to exact specifications and target costs. As a group made up of bearing specialists and advanced manufacturers, we’re capable of manufacturing everything from a simple two-piece component containing a precision bearing to a large, highly complex assembly made of advanced alloys and containing several moving parts. Experienced product and manufacturing engineers support the entire component design and production process from beginning to end.

FEATURED CAPABILITIES

• Applications engineering and new product development support
• High precision manufacturing of bearings and machined components
• Design and production of complex geometric parts through additive manufacturing techniques
• Management of stack-up tolerances among components
• Production process development and management

High Precision Roller Bearings manufactured by MinebeaMitsumi Aerospace companies are designed for small to large mechanical systems characterized by heavy radial loads, medium to high speeds, and extreme operating temperatures, such as aero-engine main shafts, RAM air turbines, and helicopter gearboxes. A majority of the roller products we manufacture are nonstandards with unique features that satisfy a variety of mounting and operating requirements. One of our specialties is the development of lighter weight roller bearings featuring silicon nitride roller elements and PEEK cages. We supply more complex precision roller bearing solutions, such as combination ball/roller bearings, integral gear/ball bearing assemblies, and planetary hybrid roller bearing designs. For applications with unique demands, our experts take pride in designing completely custom solutions.

SPECIAL DESIGN FEATURES

• Numerous ring configurations, including complex out-of-round geometries
• Rings and rollers made from advanced heat-resistant alloys
• Advanced alloys suitable for case-hardening
• Rugged cages made from high-temperature plated steel and thermoplastics
• Integrated features for optimized form, fit and function
• Specialized, high-precision manufacturing processes