Bradhart Products serves a variety of today’s industries that require tight tolerance work. In fact, we can hold our machining tolerances to ±.0001″ or even ±.00001″ with the appropriate grinding processes.

Whether you are in the Bearing, Aerospace, Medical Device, Transportation & Industrial, Security & Defense or Power & Energy industry, chances are that we have made a part close to what you are looking for.



Capabilities & Quality – Over the past 3 years, Bradhart Products has manufactured more than 500,000 bearing cages and components in hundreds of unique configurations.

Bradhart Products quotes, processes, manufactures and certifies all bearing cages to meet exact customer specifications. Our Bearing Cage team specializes in short-order runs, with our lot sizes typically ranging from 10-500 pieces, with an average order just under 120 cages/ order.

A Complete Bearing Cage and Precision Machined Part Processor – Bradhart Products offers:

  • Assembly
  • Balancing
  • Broaching
  • CNC Turning & Milling
  • Grinding
  • Heat Treating
  • Non-Destructive Testing
  • Plating (including Silver)

CNC Machined Bearing Retainer Retention – Both on the OD or the ID, Bradhart Products offers:

  • Single & Double Bent Tangs
  • Machined Tabs & Snaps
  • Roll Formation
  • Staking

Experience- Our decades of experience producing bearing cages translate into our ability to make many types of bearing cages, including:

  • Ball
  • Barrel
  • Cylindrical
  • Miniature
  • Needle
  • Roller
  • Tapered
  • Thrust
  • Split
  • Single & Double Row
  • Spherical

The Bradhart Bearing Cage Team is awaiting you to challenge us. Don’t risk your bearing cage manufacturing by using a non-specialist. Save time & money over in-house production! Contact us for a quote if you need:

  • Bearing Cages
  • Bearing Retainers
  • Bearings – Outer Race
  • Bearings – Inner Race


In December 2010, Bradhart Products achieved AS9100C Certification, reaching a strategic objective in providing added value to our aerospace customers. Aerospace machining has more stringent requirements related to CNC machining than many other industries.

Currently manufacturing:

  • Bearing Cages
  • Bearing Retainers
  • Bearings – Outer Race
  • Bearings – Inner Race
  • Flight Control Components
  • Transmission Components
  • Engine Components
  • Landing Gear Components
  • Ball Screw Assembly Components
  • Turbine Components
  • Fuel Filtration
  • Actuator Components

OEM sources we have produced components for:

  • AgustaWestland
  • Airbus
  • Bell Helicopter
  • Boeing
  • GE Honda
  • General Electric
  • General Dynamics
  • Hamilton Sundstrand
  • Honeywell
  • L3 Communications
  • Pratt Whitney-Canada
  • Rolls Royce
  • Sikorsky

Security and Defense

For the Security and Defense Industries, whether on land, sea or air, it’s imperative that parts are precisely machined to your tolerance specifications.

Whether you need the precision of 11-axis CNC turning or 5-axis CNC milling machined to ±.0001″ tolerances, Bradhart Products can accommodate you.

With a defect-free quality record of 99% and being AS9100D (ISO 9001:2015) Certified, you can count on our Quality Management System to provide you with the parts you need and the quality you expect.

Applications: Lock Assemblies, Weapons System Components, Military/Defense, Law Enforcement, Recreation

Currently manufacturing:

  • Bearing Sleeves
  • Weapon System Components
  • Prison Locks
  • Lock Housings
  • Lock Cylinders
  • Doorknobs
  • Arms
  • Gun Parts

Transportation and Industrial

The Transportation and Industrial Manufacturing Industries have long relied on support from companies who can provide them with the precision machining services and precision machined components they need to get the job done.

Applications: Bearing, pump, valve, locomotive, high performance automobiles, machine tool and hydraulic

Currently Manufacturing:

  • Bearing cages / retainers (inner or outer races)
  • Piston Shoes
  • Ball Valve Components
  • Lifter Bore Sleeves
  • Performance Engine Parts
  • Transmission Components
  • Race Car Components
  • Crash Test Dummy Components
  • Housings
  • Pillow Blocks
  • End Caps
  • Spacers

Power and Energy

Power & Energy applications are some of the most demanding environments for precision machined parts. We know that it is important that you select the right company to provide precision machining services and precision machined parts.

Applications: Bearing, , valve, power generation and oil patch

Currently Manufacturing:

  • Bearing cages / retainers (inner or outer races)
  • Camshaft Follower
  • Camshaft Bushing
  • Hydraulic Piston Shoes or Slippers
  • Camshaft Thrust Bearing
  • Windmill Components
  • Ball Valve Components
  • Turbine Components

Medical Device and Non-Implantable Medical Components

Medical device manufacturing is often complex and requires a precision CNC medical machining company that has:

  • Capabilities and technical abilities like 5-axis milling or 11-axis turning CNC medical machining and experience working with a broad range of materials
  • Quality Management Systems that foster production of high-quality parts while allowing for process improvements
  • Information Technology that allows for meeting timelines, including JIT scenarios or the ability to assist a company with Inventory Control

Currently Manufacturing:

  • Surgical Tools
  • Medical Instrument Components