Roller bearings are used to replace sliding movement with low friction, rolling motion in rotary applications. The principal types of roller bearings are cylindrical, spherical, and tapered. In ...

There are many different types and styles of rollers available for compaction, but not every roller is right for every job. Take a look at the types of rollers available and decide when ...

Not to be confused with roller-skating, Rollerblading requires skates that are narrower and speedier and that have multiple wheels in a straight line, rather than a square formation. There are ...

Roller chain is used in power transmission applications. Specialty applications for roller chain include oil-field chain, bindery chain, lift chain, pin oven chain, film feeder chain, and coupling ...

If you’ve never used a foam roller before, how do you know how to start? Foam rollers can be a little awkward to use – especially if you’ve not used one before. Place the foam roller ...

The roller coaster has its origins in St. Petersburg, Russia, as a simple slide that took thrillseekers down an icy ramp past a variety of colored lanterns. Catherine the Great gave this custom a ...

Did you know that roller coasters don't have engines? That’s because they don’t need them! Gravity is the force that pulls things to the ground. Roller coasters rely on gravity to take them to ...

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