Aerospace & Speciality Bearings

Aerospace & Speciality Bearings

R.A. Rodriguez is proud to offer a range of precision bearing solutions for aerospace and speciality applications.

For applications where exceptional reliability and precision are required, we are able to offer bearings capable of withstanding extreme conditions including high speeds, temperatures and heavy loads. Made of high-quality materials, our aerospace and speciality bearings are robust and durable.

Our range of specialist solutions includes:

• Pacamor Kubar miniature instrument bearings.
• McGill aerospace and speciality bearings.

Aerospace Miniature Instrument Bearings

Pacamor Kubar Bearings (PKB) is an industry leader in the manufacture and development of precision and miniature ball bearings. With over 40 years of experience, Pacamor Kubar Bearings supplies bearings for nearly every industry, including aerospace and defence, aviation, medical, commercial and industrial.

PKB manufactures a wide variety of specialty ball bearings for space vehicles, satellites, cryogenics, gyroscopes, guidance systems, drones, avionics instruments and flow control units. These miniature instrument bearings are used in extreme environments, and in many challenging aerospace and defence applications, all over the world.

What Are the Benefits of Pacamor Kubar Bearings?

• ISO 9001:2015 certified
• AS 9100 Rev. D certified
• FAA TSO certified aircraft bearings
• ABEC 1 3 5 7 9
• 440C stainless steel
• Uncompromising quality
• Short lead times
• Made to your specifications
• Superior value

What Are Common Miniature Instrument Bearing Applications?

• Aircraft and unmanned aerial vehicles (drones)
• Space and satellite equipment
• Computers and encoders
• Radar and guidance systems
• Robotics and automation
• Military apparatus and vehicles
• Weapons’ scopes and optics
• Weather measuring equipment
• Laser systems and semiconductors
• Medical tools
• Machinery and power tools
• Vacuums and floor stripping machines
• Motion control and gyroscopes
• Oil, gas, water and flow meters
• Small motors and fans
• Handicap-accessible vehicles

Miniature Ball Bearings – Metric

The Pacamor Kubar metric range of miniature ball bearings. The largest OD in the range is 28.57mm. A range of options are available, including:

• Sealed
• Open Bearings
• Shielded Bearings
• Flanged Open Bearings
• Flanged Shielded Bearings

Specifications

• Bore sizes: 1.5 mm to 15mm.
• Tolerance: Available in ABEC 1, 3, 5, 7, 9.
• Retainer: Stainless steel crown type (400 series stainless steel) or two-piece ribbon type (300 series stainless steel). Alternate retainer materials available upon request.
• Ring Material: 440C stainless steel.
• Ball Material: Standard is 440C stainless steel. Alternate ball materials available upon request.
• Radial Play: Standard is 0002” – .0005”. Alternate Radial Plays available upon request.
• Lubrication: Standard oil is Winsor Lube L245X MIL-L-6085. Standard grease is Royco 27A MIL-G-23827. Alternate lubricants available upon request.
• Packaging: Standard is Vial Pack. Custom packaging also available upon request.

Miniature Ball Bearings – Imperial

Pacamor Kubar’s selection of miniature “Straight-Style” radial-inch bearings. A range of options are available, including:

• Open Bearings
• Shielded Bearings
• Extended Inner Open Bearings
• Extended Inner Shielded Bearings
• Flanged Open Bearings
• Flanged Shielded Bearings
• Flanged Extended Inner Open Bearings
• Flanged Extended Inner Shielded Bearings

Specifications

• Bore sizes: 0.04″ to 0.5″
• Tolerance: Available in ABEC 1, 3, 5, 7, 9.
• Retainer: Stainless steel crown type (400 series stainless steel) or two-piece ribbon type (300 series stainless steel). Alternate retainer materials available upon request.
• Ring Material: 440C stainless steel.
• Ball Material: Standard is 440C stainless steel. Alternate ball materials available upon request.
• Radial Play: Standard is 0002” – .0005”. Alternate Radial Plays available upon request.
• Lubrication: Standard oil is Winsor Lube L245X MIL-L-6085. Standard grease is Royco 27A MIL-G-23827. Alternate lubricants available upon request.
• Packaging: Standard is Vial Pack. Custom packaging also available upon request.
• Dimensions: All dimensions are in inches.

Miniature Angular Contact Bearings

These bearings can withstand high radial and axial loads, while reaching high RPM’s. Angular contact bearings are also highlighted in the use of Duplex-paired bearings (sets).

Bore sizes range from 0.0937″ to 0.875″.

A range of options are available, including:

• Inner ring relieved
• Outer ring relieved
• Separable
• Non-separable

Aerospace & Speciality Bearings

For decades McGill® has been providing innovative bearing solutions for aerospace and specialty industrial applications with a focus on custom bearing solutions. 

R.A. Rodriguez is proud to partner with McGill® who have extensive experience in the design and manufacture of custom bearings for aerospace and specialty applications.

The bearings can be manufactured in a wide range of styles, materials, sizes and precision classes. All bearings are custom designed according to application needs. Applications typically include gearboxes, pumps, actuation, control, airframe, and military where bearings and bearing wheels are required to be small, lightweight, strong, resistant to heat, wear and corrosion.

With an enduring reputation for quality, the McGill® manufacturing facility has achieved NADCAP accreditation for heat treating, chemical processing and non-destructive testing methods in addition to attaining AS9100 and ISO certification. 

What are the benefits of Aerospace & Speciality Bearings?

• Reduced weight/envelope with the same or higher performance
• Longer fatigue life
• Higher operating temperatures
• Improved corrosion resistance
• Reduced vibration
• Better fit
• Easier installation
• Improved reliability

Which Quality Certifications apply?

• ISO9001 / AS9100 Accredited
• Nadcap Certified
• Chemical Processing
• Heat Treat
• Non Destructive Testing

Aerospace and Speciality Ball Bearings

Specialty ball bearings utilise a ball for a rolling element. The ball bearing ball can be made in a wide variety of types, sizes and materials depending on application requirements.

Specifications

Bearing Styles:

Machined race, with or without inner ring, with or without outer ring, full complement of rollers or with a retainer separating rollers

Bearing Size Range:

Outside Diameter : 13 to 300mm
Inside Diameter: 6 to 250mm

Precision Class:

ABEC Class 1 to Class 5 

Special Features may include:

• Specialty Materials
• Unique Geometries
• Special Cages Separating Rollers

Aerospace and Speciality Cylindrical Roller Bearings

Aerospace and specialty cylindrical roller bearings have cylindrical shaped rolling elements. 

Specifications

Bearing Styles:

Radial, Thrust, with or without inner ring, with or without outer ring

Bearing Size Range:

Outside Diameter: 25 to 300mm

Inside Diameter: 12 to 250mm

Precision Class:

RBEC Class 1 to Class 5

Special Features may include:

• Specialty Materials
• Unique Geometries
• Multiple External Tabs
• Flanged Outers
• Notches / Slots
• Special Retainers

Aerospace and Speciality Needle Roller Bearings

Aerospace and specialty needle roller bearings are similar to cylindrical roller bearings, however they utilise rolling elements with a large length to diameter ratio.

Specifications

Bearing Styles:

Machined race, with or without inner ring, with or without outer ring, full complement of rollers or with a retainer separating rollers. A roller and bearing for reduced vibration.

Bearing Size Range:

Outside Diameter : 13 to 300mm

Inside Diameter: 6 to 250mm

Precision Class:

ABEC Class 1 to Class 5

Special Features may include:

• Specialty Materials
• Unique Geometries
• Special Cages Separating Rollers

Aerospace and Speciality Spherical Roller Bearings

Aerospace and specialty spherical roller bearings utilise barrel shaped rolling elements and have some misalignment capability. 

Specifications

Bearing Styles:

One or two rows of barrel shaped rollers

Bearing Size Range:

Outside Diameter: 25 to 300mm

Inside Diameter: 12 to 250mm

Precision Class:

RBEC Class 1 to Class 5

Special Features may include:

• Specialty Materials
• Unique Geometries
• Special Cages Separating Rollers