3 links
Bearingnet
bearingnet.net
An online sourcing system for rare, unusual, and surplus ball bearings from many distributors worldwide
The Gear Industry Home Page
geartechnology.com
Gear Technology magazine's online information source, with a directory of gear manufacturing services, including gear machine tools, cutting tools, heat treating and custom gear ma…
The Power Transmission Home Page
powertransmission.com
Product information, specifications and links to hundreds of manufacturers and distributors of gears, motors, bearings, speed reducers, actuators, drives, sensors, and other mechan…