A member of the Precision Products family of companies
ISO 9001 Registered630-543-9570sales@oc-gear.com
Overton Chicago Gear
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Precision Devices

Medical

Small-module precision gearing for medical imaging and diagnostic equipment where accuracy is everything.

Built for medical

Medical devices require gearing that is quiet, smooth, and exceptionally accurate. We manufacture fine-pitch precision gears and drive components for imaging, diagnostic, and treatment equipment — engineered for the smooth, repeatable motion and reliability that medical applications demand.

Challenges we solve

  • Fine-pitch, high-accuracy precision gearing
  • Quiet, smooth, repeatable motion
  • Tight quality control and documentation
  • Reliable, long-life operation

By the numbers

Fine
Pitch capability
CMM
Verified
ISO 9001
Registered QA

Recommended gearing

  • Spur Gears
  • Helical & Double Helical
  • Worm Gears
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Other industries we serve

Oil & Gas

Oil & Gas

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Fracturing

Fracturing

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Mining

Mining

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Let's build the gearing your equipment depends on.

Send us a print, a sample, or a set of requirements. Our engineers will help you spec the right gearing and get precision parts back to you fast.

Overton Chicago Gear

A full-service manufacturer of precision open gearing and custom gearboxes since 1888. A founding member of AGMA, made in Addison, Illinois.

630-543-9570sales@oc-gear.com

530 Westgate Drive, Addison, IL 60101

Gearing

  • Spur Gears
  • Helical & Double Helical
  • Bevel Gears
  • Worm Gears
  • Custom Gearboxes
  • Repair & Reverse Engineering

Company

  • About Us
  • Gearing
  • Capabilities
  • Industries
  • Request a Quote
  • Contact

Capabilities

  • 5-Axis Gear Milling
  • Carburizing & Press Quenching
  • Gear Metrology Lab
  • Contract Machining
  • Reverse Engineering

© 2026 Overton Chicago Gear. Part of the Precision Products Machining Group.

ISO 9001 RegisteredAGMA Founding Member · Est. 1888
Carved byChisel&Co.