NHBB Precision Division | Chatsworth, CA  USA

A valued manufacturer of customized and specialty ball bearing solutions for leading companies in the aerospace, defense, high tech, and medical industries.

Products and Solutions

The Precision Division is a leader in applying volume production methods to specialty, ultra-precision miniature and instrument (m&i) ball bearings. Its advanced manufacturing technologies and process control systems enable Precision to supply customers with unique and cost-effective solutions, especially in high-speed and low-torque applications, without sacrificing precision and performance. Precision is leveraging its customer-focused production capabilities by expanding into medium size ball bearings and airframe control products.

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Miniature & Instrument Ball Bearings

Radial and angular contact types with standard variations featuring flanges, shields & seals, extended inner rings, and modified dimensions; bore sizes up to 0.8750 inches (22.225mm) for Inch series and 25mm (0.9843 inches) for Metric series.

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Medium Size Precision Ball Bearings

Metric series radial type bearings up to 76mm (3.00 in.) outer diameter; special design features include anti-rotation tabs, outer ring bolt flanges, and extended inner rings.


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Thin Section Ball Bearings

Family of Inch series thin section bearings in radial and angular contact ring configurations; bore sizes for torque tube up to 2.0625 inches (52.388mm) and 1.2500 inches (31.750mm) for Thinex.

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Precision Mechanical Subassemblies

Next-level bearing solutions involving the complete production and assembly of precision bearings and mating components; high precision manufacturing with full control of stack-up tolerances among components.

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Airframe Control Ball Bearings

Standard and precision grades manufactured and inspected to Aerospace Standards SAE AS7949 and customer requirements. Materials are AISI 52100 and AISI 440C with optional plating in cadmium and zinc-nickel.

Specialty Bearings, Design Customization and New Product Development

If you are not sure whether a particular series, type, or configuration will meet your needs, request technical assistance. Our application engineers can assist customers with bearing selection, design, and engineering for a wide range of applications. If your application presents heightened performance challenges, we may involve the New Product Development Center to identify and develop a unique solution.


How can we help?

Connect with an NHBB product specialist to learn more about the products and solutions offered by NHBB Precision Division.

Manufacturing Excellence and Quality Control

Precision has built its reputation on customer satisfaction. The division utilizes advanced manufacturing technologies and process control systems to supply unique and cost-effective solutions without sacrificing performance. Numerous industry and customer quality certifications and Nadcap accreditations for special processes underscore Precision's dedication to meeting application requirements and exceeding customers' expectations.

Quality Certifications

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Other Approvals

Boeing D6 - 82479
Boeing Quality Management System
Requirements for Suppliers

Supplier Quality Requirements and Revisions of Procedures


NHBB Engineering and Quality Specification Revision Control List for Suppliers [PDF]

Supplier Quality Manual [PDF]



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Managing Our Environmental Impacts

The Precision Division shares the same commitment to environmental protection as NHBB's other divisions and MinebeaMitsumi Inc. Precision routinely evaluates and improves its business practices to ensure they are ecologically sound. It holds an ISO 14001:2015 certification, which shows that Precision has developed the capability to identify and control the environmental impacts of its business activities and continually improve its environmental performance.

Our Address

NHBB Precision Division
9700 Independence Avenue
Chatsworth, CA 91311

Careers at NHBB Precision Division

We are always on the lookout for outstanding individuals with a strong work ethic, creative spirit and positive attitude.
If you have what it takes to be successful, we want to hear from you.