If the utility of an invention were somehow derived from the genius of its inventor, it would be pardonable that so many sources trace the idea for the ball bearing to a 1497 drawing by Leonardo da ...

Wheel bearings are a set of rigid steel ball bearings that form an essential part of a vehicle's steering, suspension, and braking systems. They are located inside a sealed metal casing in the vehicle ...

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 ...

Bearings are often-overlooked components that bring life to your bicycle. You can’t steer, roll, pedal or have a functioning drivetrain without bearings. Basically, anything that moves on your bike ...

Bicycles rely on smooth-turning, low-friction bearings to allow them to roll forward with as little human effort as possible. We can’t create frictionless bearings – even Shimano hasn’t cracked ...