NHBB shielded ball bearing shown in cutaway, exploded precision bearing assembly with gold housing, and a rod end bearing, alongside the New Hampshire Ball Bearings, Inc. MinebeaMitsumi Group logo

NHBB (New Hampshire Ball Bearings) — Precision Aerospace Bearings and Complex Bearing Assemblies

About NHBB

New Hampshire Ball Bearings, Inc. (NHBB) is a leading manufacturer of precision bearings and complex bearing assemblies, headquartered in Peterborough, New Hampshire, USA, and founded in 1946 as a pioneer of fully ground miniature ball bearings. A subsidiary of MinebeaMitsumi Inc. and part of the MinebeaMitsumi Aerospace group, NHBB supplies aerospace prime airframe manufacturers, Tier-1 and Tier-2 subsystem makers, and companies in the defense, medical, and high-technology sectors.

Niche / Flagship Products

Aero-Engine Cylindrical Roller Bearings

High-performance roller bearings for aircraft engine main shafts and gearboxes, among the most successful product lines in NHBB's history.

INVINSYS Pitch Control Bearings

Self-lubricating rod end technology for helicopter pitch-link control systems, engineered to last up to two and a half times longer than previous designs.

VULKYN High-Temperature Liner

Self-lubricating liner system for aero-engine bearings exposed to sustained operating temperatures above 350°F.

Oscimax Machinable Liner

Machinable self-lubricating liner technology delivering long wear life and tight tolerances, available on standard bearings, custom components, and line-only customer parts.

Fully Ground Miniature and Instrument Ball Bearings

Precision miniature bearings built on NHBB's founding expertise, supplied for aerospace instruments, medical devices, and high-tech equipment.

Airframe Control Ball Bearings

Specialized ball bearings for aircraft flight control systems and airframe mechanisms.

Specialized Product Categories

Miniature and Instrument Ball Bearings

Precision small-bore ball bearings for gyroscopes, sensors, medical and dental devices, and precision instruments.

Medium to Large Ball Bearings

Larger-diameter ball bearings for aircraft engines, gearboxes, and demanding aerospace systems.

Cylindrical Roller Bearings

Medium to large roller bearings, including double-row planetary designs, for high-load aerospace applications.

Thin Section Ball Bearings

Space and weight saving bearings for compact, lightweight mechanical designs.

Rod End Bearings

Self-lubricating and metal-to-metal rod ends for flight controls, actuators, and helicopter rotor systems.

Spherical Bearings

Plain spherical bearings, including loader slot designs, for landing gear, engine mounts, and airframe linkages.

Self-Lubricating Sleeve Bearings

PTFE-lined plain sleeve bearings for maintenance-free operation in harsh environments.

Complex Bearing Assemblies

Custom multi-component bearing solutions integrating housings, shafts, and machined parts.

Other Products & Capabilities

Precision Mechanical Subassemblies

Engineered next-level assemblies combining bearings with precision-machined components.

Next-Up Assemblies

Integrated rod end and spherical bearing assemblies incorporating components from across the MinebeaMitsumi group.

Woven PTFE Liner Systems

Proprietary fabric and machinable compound liners designed for wear, corrosion, moisture, and high-temperature resistance.

Custom Bearing Development

Application engineering and new product development for aero engine, landing gear, and helicopter rotor system requirements.

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