Small Subassembly Components & Mechanical Accessories

Reliable Machine Parts. Made in the USA.


Buy or customize precision components

We offer precision machine parts in a variety of product lines with competitive pricing and lead times as short as one week. Choose a category to shop standard products or request customization.

WM Berg assemblies


Precision bearings from WM Berg


wm berg timing belts and chains

Belts & Chains

wm berg aluminum shaft couplings


wm berg precision hardware

Fasteners & Hardware

berg stainless steel spur gear and shaft


precision pulleys


precision shafts


aluminum brass and steel precision sprockets


Why Choose WM Berg:

WM Berg has earned a reputation worldwide for quality, reliability and service. Value we provide to our national and international customers includes:

By leveraging a refined set of lean manufacturing processes including monthly workflow reviews, rigorous in-process quality checks and sustainability audits, WM Berg is committed to optimizing machine productivity and long-term profitability for our clients.

Custom Mechanical Parts

customized helical gear

Custom Manufacturing & innovative solutions

WM Berg engineers and product specialists want to partner with you to understand your project, offer solutions and deliver cost-effective precision components that meet your requirements and timeline. From simple modification of a standard gear to developing an intricate assembly, we pride ourselves on personalized service and high-quality custom precision parts. Fast Track service is available for rush orders of non-stocked or custom parts!

Custom Parts      Request a Quote

Find mechanical parts by industry

With a catalog of over 80,000 small mechanical components, WM Berg serves engineered solutions for hundreds of different applications. 

precision aircraft components used in commercial and corporate jets


Providing high AGMA quality gears, pre-assembled solutions and belting for military, commercial and private aircrafts. 

precision machine parts used in industrial robotics application

Motion Control

Offering an expansive catalog of precision components for scientific equipment, measuring instruments, computers and robotics. 

precision surgical components used in hospital operating room


Supplying standard and custom precision components used in a large variety of medical equipment, including surgical devices.