Most linear bearings incorporate ball bearings (usually of metal) to reduce friction between moving parts. Of these designs, most bushings, ball splines, linear guides and slides recirculate balls. As ...

Editor's note: An updated version of this information can be found here. Bearings are used to help reduce friction. Metal-upon-metal contact produces large amounts of friction. The friction adds to ...

Whilst the basic design of a needle roller bearing hasn’t changed a great deal in the last 60 years, continuous developments have resulted in new cage designs that provide five times the service life ...

Visionary films set in the technologically advanced future have long imagined cars that ride around on frictionless orbs similar to Star Wars’ BB-8. We aren’t there yet, as cars still use wheels and ...

A good roller stand offers support for large sheet goods, such as plywood and drywall, and long workpieces that would otherwise be awkward to handle. It also provides smooth movement, allowing for ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a four row staggered ...